#66871C#66871C

#66871C is a mid, vivid yellow-green. Relative luminance 0.202; OKLCH L 57.8% C 0.135 H 125.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#66871C
RGB	rgb(102, 135, 28)
HSL	hsl(79, 66%, 32%)
HSV	hsv(79, 79%, 53%)
CMYK	cmyk(24.4%, 0%, 79.3%, 47.1%)
CIE-LAB	lab(52.10, -27.29, 49.59)
CIE-LCH	lch(52.10, 56.60, 118.83°)
OKLab	oklab(57.79% -0.0791 0.1094)
OKLCH	oklch(57.79% 0.135 125.9)
XYZ	xyz(14.3532, 20.2363, 4.2482)
Luminance	0.2024 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66871C #3D1C87

analogous

#87731C #66871C #30871C

triadic

#66871C #1C6687 #871C66

tetradic

#66871C #1C8773 #3D1C87 #871C30

square

#66871C #1C8773 #3D1C87 #871C30

split-complementary

#66871C #1C3087 #731C87

monochromatic

#192207 #405411 #66871C #8CBA27 #ABD845

Accessibility & contrast

On white

4.16

#66871C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#66871C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66871C

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66871C	#FFFFFF	#000000	##000000
##66871C	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#8A7C27

Tritanopia (blue-blind)

#6B8073

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #66871c;
/* rgb */ color: rgb(102, 135, 28);
/* oklch */ color: oklch(57.8% 0.135 125.9);

Tailwind

colors: {
  custom: {
    50: '#95aa62',
    500: '#66871c',
    950: '#000000',
  },
}

SCSS

$custom: #66871c;
$custom-light: #95aa62;
$custom-dark: #000000;

JSON

{
  "hex": "#66871c",
  "rgb": {
    "r": 102,
    "g": 135,
    "b": 28
  },
  "hsl": {
    "h": 78.505,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57786,
    "c": 0.13501,
    "h": 125.9
  },
  "luminance": 0.20237
}

Semantic roles & 50–950 ramp

primary

#66871C

secondary

#6945BA

accent

#3FE973

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E1005

muted

#7E7F7A

Preview Lab

Preview with #66871C

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →