#42571E#42571E

#42571E is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.6% C 0.086 H 126.8°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#42571E
RGB	rgb(66, 87, 30)
HSL	hsl(82, 49%, 23%)
HSV	hsv(82, 66%, 34%)
CMYK	cmyk(24.1%, 0%, 65.5%, 65.9%)
CIE-LAB	lab(34.12, -18.20, 29.77)
CIE-LCH	lch(34.12, 34.89, 121.44°)
OKLab	oklab(42.59% -0.0516 0.0689)
OKLCH	oklch(42.59% 0.086 126.8)
XYZ	xyz(5.8893, 8.0683, 2.4751)
Luminance	0.0807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42571E #331E57

analogous

#574F1E #42571E #25571E

triadic

#42571E #1E4257 #571E42

tetradic

#42571E #1E574F #331E57 #571E25

square

#42571E #1E574F #331E57 #571E25

split-complementary

#42571E #1E2557 #4F1E57

monochromatic

#111708 #1F290E #42571E #65852E #87B23D

Accessibility & contrast

On white

8.03

#42571E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#42571E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42571E

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42571E	#FFFFFF	#000000	##FFFFFF
##42571E	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5118

Deuteranopia (green-blind)

#595022

Tritanopia (blue-blind)

#45534B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #42571e;
/* rgb */ color: rgb(66, 87, 30);
/* oklch */ color: oklch(42.6% 0.086 126.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42571e",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 30
  },
  "hsl": {
    "h": 82.105,
    "s": 48.718,
    "l": 22.941
  },
  "oklch": {
    "l": 0.42588,
    "c": 0.08606,
    "h": 126.8
  },
  "luminance": 0.08068
}

Semantic roles & 50–950 ramp

primary

#42571E

secondary

#5F458C

accent

#50D882

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #42571E

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

Preview Lab → · Contrast checker → · Palette generator →