#42731B#42731B

#42731B is a mid, vivid yellow-green. Relative luminance 0.135; OKLCH L 50.2% C 0.129 H 134.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#42731B
RGB	rgb(66, 115, 27)
HSL	hsl(93, 62%, 28%)
HSV	hsv(93, 77%, 45%)
CMYK	cmyk(42.6%, 0%, 76.5%, 54.9%)
CIE-LAB	lab(43.50, -32.23, 40.94)
CIE-LCH	lch(43.50, 52.10, 128.22°)
OKLab	oklab(50.22% -0.0902 0.0919)
OKLCH	oklch(50.22% 0.129 134.5)
XYZ	xyz(8.5752, 13.4984, 3.1903)
Luminance	0.1350 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42731B #4C1B73

analogous

#6E731B #42731B #1B7320

triadic

#42731B #1B4273 #731B42

tetradic

#42731B #1B6E73 #4C1B73 #73201B

square

#42731B #1B6E73 #4C1B73 #73201B

split-complementary

#42731B #201B73 #731B6E

monochromatic

#0E1906 #26410F #42731B #5EA527 #7CD038

Accessibility & contrast

On white

5.68

#42731B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#42731B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42731B

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42731B	#FFFFFF	#000000	##FFFFFF
##42731B	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#78690A

Deuteranopia (green-blind)

#716524

Tritanopia (blue-blind)

#416E62

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #42731b;
/* rgb */ color: rgb(66, 115, 27);
/* oklch */ color: oklch(50.2% 0.129 134.5);

Tailwind

colors: {
  custom: {
    50: '#7b9b5e',
    500: '#42731b',
    950: '#000000',
  },
}

SCSS

$custom: #42731b;
$custom-light: #7b9b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#42731b",
  "rgb": {
    "r": 66,
    "g": 115,
    "b": 27
  },
  "hsl": {
    "h": 93.409,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.50217,
    "c": 0.12881,
    "h": 134.5
  },
  "luminance": 0.13499
}

Semantic roles & 50–950 ramp

primary

#42731B

secondary

#7B42A8

accent

#43E59D

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #42731B

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

Preview Lab → · Contrast checker → · Palette generator →