#42591D#42591D

#42591D is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.090 H 127.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#42591D
RGB	rgb(66, 89, 29)
HSL	hsl(83, 51%, 23%)
HSV	hsv(83, 67%, 35%)
CMYK	cmyk(25.8%, 0%, 67.4%, 65.1%)
CIE-LAB	lab(34.79, -19.37, 30.99)
CIE-LCH	lch(34.79, 36.55, 122.00°)
OKLab	oklab(43.12% -0.0549 0.0714)
OKLCH	oklch(43.12% 0.09 127.6)
XYZ	xyz(6.0409, 8.3916, 2.4636)
Luminance	0.0839 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42591D #341D59

analogous

#59521D #42591D #24591D

triadic

#42591D #1D4259 #591D42

tetradic

#42591D #1D5952 #341D59 #591D24

square

#42591D #1D5952 #341D59 #591D24

split-complementary

#42591D #1D2459 #521D59

monochromatic

#111708 #202B0E #42591D #64872C #86B53B

Accessibility & contrast

On white

7.84

#42591D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#42591D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42591D

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42591D	#FFFFFF	#000000	##FFFFFF
##42591D	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5316

Deuteranopia (green-blind)

#5A5121

Tritanopia (blue-blind)

#44554C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42591d;
/* rgb */ color: rgb(66, 89, 29);
/* oklch */ color: oklch(43.1% 0.090 127.6);

Tailwind

colors: {
  custom: {
    50: '#78885c',
    500: '#42591d',
    950: '#000000',
  },
}

SCSS

$custom: #42591d;
$custom-light: #78885c;
$custom-dark: #000000;

JSON

{
  "hex": "#42591d",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 29
  },
  "hsl": {
    "h": 83,
    "s": 50.847,
    "l": 23.137
  },
  "oklch": {
    "l": 0.43119,
    "c": 0.09004,
    "h": 127.6
  },
  "luminance": 0.08392
}

Semantic roles & 50–950 ramp

primary

#42591D

secondary

#60448E

accent

#4DDA83

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42591D

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

Preview Lab → · Contrast checker → · Palette generator →