#42531D#42531D

#42531D is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.5% C 0.081 H 124.6°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#42531D
RGB	rgb(66, 83, 29)
HSL	hsl(79, 48%, 22%)
HSV	hsv(79, 65%, 33%)
CMYK	cmyk(20.5%, 0%, 65.1%, 67.5%)
CIE-LAB	lab(32.77, -16.12, 28.78)
CIE-LCH	lch(32.77, 32.98, 119.25°)
OKLab	oklab(41.49% -0.0459 0.0666)
OKLCH	oklch(41.49% 0.081 124.6)
XYZ	xyz(5.5618, 7.4334, 2.3039)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42531D #2E1D53

analogous

#53491D #42531D #27531D

triadic

#42531D #1D4253 #531D42

tetradic

#42531D #1D5349 #2E1D53 #531D27

square

#42531D #1D5349 #2E1D53 #531D27

split-complementary

#42531D #1D2753 #491D53

monochromatic

#121708 #1E260D #42531D #66802D #8AAE3D

Accessibility & contrast

On white

8.45

#42531D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#42531D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42531D

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42531D	#FFFFFF	#000000	##FFFFFF
##42531D	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E17

Deuteranopia (green-blind)

#554D21

Tritanopia (blue-blind)

#454F47

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42531d;
/* rgb */ color: rgb(66, 83, 29);
/* oklch */ color: oklch(41.5% 0.081 124.6);

Tailwind

colors: {
  custom: {
    50: '#78835b',
    500: '#42531d',
    950: '#000000',
  },
}

SCSS

$custom: #42531d;
$custom-light: #78835b;
$custom-dark: #000000;

JSON

{
  "hex": "#42531d",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 29
  },
  "hsl": {
    "h": 78.889,
    "s": 48.214,
    "l": 21.961
  },
  "oklch": {
    "l": 0.41493,
    "c": 0.08093,
    "h": 124.6
  },
  "luminance": 0.07433
}

Semantic roles & 50–950 ramp

primary

#42531D

secondary

#594488

accent

#50D87B

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #42531D

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

Preview Lab → · Contrast checker → · Palette generator →