#66831B#66831B

#66831B is a mid, vivid yellow-green. Relative luminance 0.191; OKLCH L 56.8% C 0.130 H 124.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#66831B
RGB	rgb(102, 131, 27)
HSL	hsl(77, 66%, 31%)
HSV	hsv(77, 79%, 51%)
CMYK	cmyk(22.1%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(50.85, -25.38, 48.75)
CIE-LCH	lch(50.85, 54.96, 117.50°)
OKLab	oklab(56.77% -0.0739 0.1075)
OKLCH	oklch(56.77% 0.13 124.5)
XYZ	xyz(13.7938, 19.1364, 4.0037)
Luminance	0.1914 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66831B #381B83

analogous

#836C1B #66831B #32831B

triadic

#66831B #1B6683 #831B66

tetradic

#66831B #1B836C #381B83 #831B32

square

#66831B #1B836C #381B83 #831B32

split-complementary

#66831B #1B3283 #6C1B83

monochromatic

#171E06 #3E5011 #66831B #8EB625 #AED841

Accessibility & contrast

On white

4.35

#66831B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#66831B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66831B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66831B	#FFFFFF	#000000	##000000
##66831B	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7A00

Deuteranopia (green-blind)

#877925

Tritanopia (blue-blind)

#6B7C70

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #66831b;
/* rgb */ color: rgb(102, 131, 27);
/* oklch */ color: oklch(56.8% 0.130 124.5);

Tailwind

colors: {
  custom: {
    50: '#95a761',
    500: '#66831b',
    950: '#000000',
  },
}

SCSS

$custom: #66831b;
$custom-light: #95a761;
$custom-dark: #000000;

JSON

{
  "hex": "#66831b",
  "rgb": {
    "r": 102,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 76.731,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.56765,
    "c": 0.13046,
    "h": 124.5
  },
  "luminance": 0.19137
}

Semantic roles & 50–950 ramp

primary

#66831B

secondary

#6343B6

accent

#3FE96E

background

#F9FAF6

surface

#F2F4EB

border

#CCCEC6

text

#0E0F05

muted

#7E7F7A

Preview Lab

Preview with #66831B

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

Preview Lab → · Contrast checker → · Palette generator →