#42831B#42831B

#42831B is a mid, vivid yellow-green. Relative luminance 0.175; OKLCH L 54.6% C 0.150 H 136.6°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#42831B
RGB	rgb(66, 131, 27)
HSL	hsl(98, 66%, 31%)
HSV	hsv(98, 79%, 51%)
CMYK	cmyk(49.6%, 0%, 79.4%, 48.6%)
CIE-LAB	lab(48.85, -39.13, 46.15)
CIE-LCH	lch(48.85, 60.51, 130.30°)
OKLab	oklab(54.6% -0.1088 0.1028)
OKLCH	oklch(54.6% 0.15 136.6)
XYZ	xyz(10.5606, 17.4693, 3.8521)
Luminance	0.1747 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42831B #5C1B83

analogous

#76831B #42831B #1B8328

triadic

#42831B #1B4283 #831B42

tetradic

#42831B #1B7683 #5C1B83 #83281B

square

#42831B #1B7683 #5C1B83 #83281B

split-complementary

#42831B #281B83 #831B76

monochromatic

#0F1E06 #285011 #42831B #5CB625 #79D841

Accessibility & contrast

On white

4.67

#42831B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#42831B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42831B

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42831B	#FFFFFF	#000000	##FFFFFF
##42831B	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887701

Deuteranopia (green-blind)

#7F7226

Tritanopia (blue-blind)

#3F7E70

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #42831b;
/* rgb */ color: rgb(66, 131, 27);
/* oklch */ color: oklch(54.6% 0.150 136.6);

Tailwind

colors: {
  custom: {
    50: '#7da760',
    500: '#42831b',
    950: '#000000',
  },
}

SCSS

$custom: #42831b;
$custom-light: #7da760;
$custom-dark: #000000;

JSON

{
  "hex": "#42831b",
  "rgb": {
    "r": 66,
    "g": 131,
    "b": 27
  },
  "hsl": {
    "h": 97.5,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.546,
    "c": 0.14973,
    "h": 136.6
  },
  "luminance": 0.1747
}

Semantic roles & 50–950 ramp

primary

#42831B

secondary

#8B43B6

accent

#3FE9A9

background

#F8FAF5

surface

#EFF4EA

border

#CACEC6

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #42831B

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

Preview Lab → · Contrast checker → · Palette generator →