#42571D#42571D

#42571D is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.6% C 0.087 H 126.7°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#42571D
RGB	rgb(66, 87, 29)
HSL	hsl(82, 50%, 23%)
HSV	hsv(82, 67%, 34%)
CMYK	cmyk(24.1%, 0%, 66.7%, 65.9%)
CIE-LAB	lab(34.11, -18.30, 30.26)
CIE-LCH	lch(34.11, 35.36, 121.16°)
OKLab	oklab(42.58% -0.052 0.0698)
OKLCH	oklch(42.58% 0.087 126.7)
XYZ	xyz(5.8767, 8.0633, 2.4089)
Luminance	0.0806 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42571D #321D57

analogous

#574F1D #42571D #25571D

triadic

#42571D #1D4257 #571D42

tetradic

#42571D #1D574F #321D57 #571D25

square

#42571D #1D574F #321D57 #571D25

split-complementary

#42571D #1D2557 #4F1D57

monochromatic

#111708 #1F290E #42571D #65852C #88B33C

Accessibility & contrast

On white

8.04

#42571D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#42571D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42571D

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42571D	#FFFFFF	#000000	##FFFFFF
##42571D	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5116

Deuteranopia (green-blind)

#595021

Tritanopia (blue-blind)

#45534B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #42571d;
/* rgb */ color: rgb(66, 87, 29);
/* oklch */ color: oklch(42.6% 0.087 126.7);

Tailwind

colors: {
  custom: {
    50: '#78865c',
    500: '#42571d',
    950: '#000000',
  },
}

SCSS

$custom: #42571d;
$custom-light: #78865c;
$custom-dark: #000000;

JSON

{
  "hex": "#42571d",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 29
  },
  "hsl": {
    "h": 81.724,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.42576,
    "c": 0.08701,
    "h": 126.7
  },
  "luminance": 0.08063
}

Semantic roles & 50–950 ramp

primary

#42571D

secondary

#5E448C

accent

#4EDA81

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42571D

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

Preview Lab → · Contrast checker → · Palette generator →