#42531C#42531C

#42531C is a dark, moderate yellow-green. Relative luminance 0.074; OKLCH L 41.5% C 0.082 H 124.4°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#42531C
RGB	rgb(66, 83, 28)
HSL	hsl(79, 50%, 22%)
HSV	hsv(79, 66%, 33%)
CMYK	cmyk(20.5%, 0%, 66.3%, 67.5%)
CIE-LAB	lab(32.76, -16.21, 29.27)
CIE-LCH	lch(32.76, 33.46, 118.98°)
OKLab	oklab(41.48% -0.0463 0.0676)
OKLCH	oklch(41.48% 0.082 124.4)
XYZ	xyz(5.5497, 7.4286, 2.2399)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42531C #2D1C53

analogous

#53491C #42531C #27531C

triadic

#42531C #1C4253 #531C42

tetradic

#42531C #1C5349 #2D1C53 #531C27

square

#42531C #1C5349 #2D1C53 #531C27

split-complementary

#42531C #1C2753 #491C53

monochromatic

#121708 #1E250D #42531C #66812B #8BAF3B

Accessibility & contrast

On white

8.45

#42531C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#42531C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42531C

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42531C	#FFFFFF	#000000	##FFFFFF
##42531C	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)

#584E16

Deuteranopia (green-blind)

#554D20

Tritanopia (blue-blind)

#454F47

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #42531c;
/* rgb */ color: rgb(66, 83, 28);
/* oklch */ color: oklch(41.5% 0.082 124.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42531c",
  "rgb": {
    "r": 66,
    "g": 83,
    "b": 28
  },
  "hsl": {
    "h": 78.545,
    "s": 49.55,
    "l": 21.765
  },
  "oklch": {
    "l": 0.41481,
    "c": 0.0819,
    "h": 124.4
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#42531C

secondary

#584289

accent

#4FD979

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #42531C

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

Preview Lab → · Contrast checker → · Palette generator →