#42591E#42591E

#42591E is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.089 H 127.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#42591E
RGB	rgb(66, 89, 30)
HSL	hsl(83, 50%, 23%)
HSV	hsv(83, 66%, 35%)
CMYK	cmyk(25.8%, 0%, 66.3%, 65.1%)
CIE-LAB	lab(34.80, -19.27, 30.51)
CIE-LCH	lch(34.80, 36.09, 122.28°)
OKLab	oklab(43.13% -0.0546 0.0705)
OKLCH	oklch(43.13% 0.089 127.8)
XYZ	xyz(6.0535, 8.3966, 2.5298)
Luminance	0.0840 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42591E #351E59

analogous

#59521E #42591E #24591E

triadic

#42591E #1E4259 #591E42

tetradic

#42591E #1E5952 #351E59 #591E24

square

#42591E #1E5952 #351E59 #591E24

split-complementary

#42591E #1E2459 #521E59

monochromatic

#111708 #202B0F #42591E #64872D #86B53D

Accessibility & contrast

On white

7.84

#42591E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#42591E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42591E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42591E	#FFFFFF	#000000	##FFFFFF
##42591E	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)

#5E5317

Deuteranopia (green-blind)

#5A5122

Tritanopia (blue-blind)

#44554D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #42591e;
/* rgb */ color: rgb(66, 89, 30);
/* oklch */ color: oklch(43.1% 0.089 127.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42591e",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 30
  },
  "hsl": {
    "h": 83.39,
    "s": 49.58,
    "l": 23.333
  },
  "oklch": {
    "l": 0.43131,
    "c": 0.08911,
    "h": 127.8
  },
  "luminance": 0.08397
}

Semantic roles & 50–950 ramp

primary

#42591E

secondary

#61458E

accent

#4FD985

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42591E

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

Preview Lab → · Contrast checker → · Palette generator →