Photo in the color Medium turquoise
Pictured: Medium turquoise, the closest color we have a photo of (#48D1CC)
rgb(102, 204, 204)
#66CCCC

Petrichor #66CCCC RGB Color Code

Web-safe color. Name from the community color list.

Petrichor (#66CCCC) is a moderately saturated, light cyan. In RGB it is made of 40% red, 80% green and 80% blue (R 102, G 204, B 204). The green channel is the strongest. In HSL it has a hue of 180°, 50% saturation and 60% lightness. Its relative luminance is 0.504, so black text is easier to read on top of it. For print, a rough CMYK match is 50% cyan, 0% magenta, 0% yellow and 20% black. Check it against your printer's ICC profile before you print. It is a cool color. It goes well with warm oranges and reds for contrast. For a calm, matching look, use nearby cool tones.

Open in color picker

Petrichor color codes

#66CCCC in every common color format. Click a value to copy it.

FormatValueNotesCopy
HEX #66CCCC Valid CSS
RGB rgb(102, 204, 204) Valid CSS
HSL hsl(180, 50%, 60%) Valid CSS
HSV / HSB hsv(180, 50%, 80%) Not a CSS format
HWB hwb(180 40% 20%) Valid CSS
CMYK cmyk(50%, 0%, 0%, 20%) Approximate (no ICC profile)
OKLCH oklch(78.45% 0.0952 195.39) Valid CSS
OKLab oklab(78.45% -0.0918 -0.0253) Valid CSS
CIELAB lab(76.01% -31.02 -9.66) D50, as in CSS
CIELCH lch(76.01% 32.49 197.3) Valid CSS
Display P3 color(display-p3 0.5026 0.7907 0.7952) Valid CSS
XYZ (D65) color(xyz-d65 0.3797 0.5037 0.6485) Valid CSS
Decimal 6737100 Integer (0xRRGGBB)

CMYK here is a rough screen match without an ICC profile. See CMYK and print. Relative luminance: 0.5037. Nearest web-safe color: #66CCCC.

Mix Petrichor with other colors

See what #66CCCC makes with red paint, under a green light, printed with cyan ink and in a digital blend with blue. Click a picture to change the colors and amounts in the color mixer.

Use Petrichor in your code

Ready to paste into CSS, Sass, Tailwind, iOS, Android and Flutter. Click the icon to copy a line.

WhereCodeCopy
CSS variable--petrichor: #66CCCC;
Sass variable$petrichor: #66CCCC;
Tailwind CSS v4@theme { --color-petrichor: #66CCCC; }
Tailwind CSS v3 configcolors: { 'petrichor': '#66CCCC' }
SwiftUIColor(red: 0.4, green: 0.8, blue: 0.8)
UIKitUIColor(red: 0.4, green: 0.8, blue: 0.8, alpha: 1)
Android XML<color name="petrichor">#FF66CCCC</color>
Flutter and Jetpack ComposeColor(0xFF66CCCC)

Accessibility and contrast

Black text works best on #66CCCC (11.07:1, AAA). Here is how #66CCCC does as a text color:

Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
1.90:1 on white
APCA Lc 36
Fails AATry #008485
Large heading text
Body text at 16px. The quick brown fox jumps over the lazy dog.
11.07:1 on black
APCA Lc -67
AAA

Check this color against any background in the contrast checker. WCAG ratios and APCA Lc values measure different things, so one can't stand in for the other. Learn more.

How people with color blindness see Petrichor

#66CCCC next to its complement and its two triadic colors, as seen with each type of color blindness.

  • Normal visionhow most people see it
  • Protanopiano red cones, about 1% of men
  • Deuteranopiano green cones, the most common type
  • Tritanopiano blue cones, very rare
  • Achromatopsiano color at all, very rare

#66CCCC stays easy to tell apart from its complement and triadic colors for the common types of color blindness. Try your own colors in the color blindness simulator.

Petrichor in a user interface

A sample app screen with #66CCCC as the main color, on a light and a dark theme.

Light theme

Dark theme

Buttons and bars use #66CCCC as it is. On the light theme, #66CCCC is too hard to read as text (1.90:1), so links, the badge and outline text use #008485 there (4.53:1). Build a full color scheme around it in the UI color preview.

Color harmonies for Petrichor

These schemes turn the hue of #66CCCC around the color wheel. Each swatch links to its own page.

Complementary

Two colors on opposite sides of the wheel. This gives the most contrast.

Open palette

Analogous

Hues that sit next to each other and look good together.

Open palette

Triadic

Three hues spaced evenly around the wheel. Bold, but still balanced.

Open palette

Split complementary

A base color plus the two hues on each side of its opposite. Strong contrast that clashes less.

Open palette

Tetradic (rectangle)

Two pairs of opposite colors. Let one color lead and use the others less.

Open palette

Square

Four hues 90° apart, spread evenly around the wheel.

Open palette

Monochromatic

One hue at different levels of lightness and saturation.

Open palette

Gradients with Petrichor

Four CSS gradients made from #66CCCC. Copy the code, or open one in the gradient generator to change it.

Soft tint

From a pale tint to the full color.

background: linear-gradient(90deg, #E3F5F5, #66CCCC);

Edit in the gradient generator

Deep shade

The color fading into a dark shade.

background: linear-gradient(180deg, #66CCCC, #173737);

Edit in the gradient generator

Analogous

Its two neighbors on the color wheel.

background: linear-gradient(135deg, #66CC99, #66CCCC, #6699CC);

Edit in the gradient generator

Triadic

A bold blend with a triadic color, through a clean middle.

background: linear-gradient(135deg, #66CCCC, #AA9ECD, #CC66CC);

Edit in the gradient generator

Shades, tints and tones of Petrichor

Shades are darker, tints are lighter and tones are grayer. We make them in OKLCH so the steps look even. Hover a step to see its code, or click it to open it.

Design system scale (50 to 950)

Petrichor sits at step 300. Export the full scale as CSS variables or Tailwind tokens from the picker.

  1. 50
    DEFEFE
  2. 100
    CCF7F6
  3. 200
    ACE8E7
  4. 300
    66CCCC
  5. 400
    54B5B5
  6. 500
    299898
  7. 600
    007C7C
  8. 700
    006263
  9. 800
    004D4D
  10. 900
    003839
  11. 950
    042222

Closest RAL, Tailwind and CSS colors

The nearest match to #66CCCC in three color systems that designers and builders use.

ΔE is the distance in OKLab: under 2 is hard to see, over 10 is a clearly different color. Browse all RAL colors, the Tailwind palette or the 148 CSS color names. RAL values on screens are only a guide, so check a real color chart before you order paint.

The named colors that look closest to this one (ΔE in OKLab). Browse all shades of cyan or search the color library.