#42541B#42541B

#42541B is a dark, moderate yellow-green. Relative luminance 0.076; OKLCH L 41.7% C 0.084 H 124.8°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#42541B
RGB	rgb(66, 84, 27)
HSL	hsl(79, 51%, 22%)
HSV	hsv(79, 68%, 33%)
CMYK	cmyk(21.4%, 0%, 67.9%, 67.1%)
CIE-LAB	lab(33.09, -16.85, 30.13)
CIE-LCH	lch(33.09, 34.53, 119.22°)
OKLab	oklab(41.74% -0.0482 0.0692)
OKLCH	oklch(41.74% 0.084 124.8)
XYZ	xyz(5.6149, 7.5780, 2.2036)
Luminance	0.0758 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42541B #2D1B54

analogous

#544A1B #42541B #26541B

triadic

#42541B #1B4254 #541B42

tetradic

#42541B #1B544A #2D1B54 #541B26

square

#42541B #1B544A #2D1B54 #541B26

split-complementary

#42541B #1B2654 #4A1B54

monochromatic

#121707 #1E260C #42541B #66822A #8BB139

Accessibility & contrast

On white

8.35

#42541B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#42541B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42541B

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42541B	#FFFFFF	#000000	##FFFFFF
##42541B	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594E14

Deuteranopia (green-blind)

#564E1F

Tritanopia (blue-blind)

#455048

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #42541b;
/* rgb */ color: rgb(66, 84, 27);
/* oklch */ color: oklch(41.7% 0.084 124.8);

Tailwind

colors: {
  custom: {
    50: '#78845a',
    500: '#42541b',
    950: '#000000',
  },
}

SCSS

$custom: #42541b;
$custom-light: #78845a;
$custom-dark: #000000;

JSON

{
  "hex": "#42541b",
  "rgb": {
    "r": 66,
    "g": 84,
    "b": 27
  },
  "hsl": {
    "h": 78.947,
    "s": 51.351,
    "l": 21.765
  },
  "oklch": {
    "l": 0.4174,
    "c": 0.08435,
    "h": 124.8
  },
  "luminance": 0.07578
}

Semantic roles & 50–950 ramp

primary

#42541B

secondary

#58418A

accent

#4DDB7A

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090A04

muted

#7B7C79

Preview Lab

Preview with #42541B

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

Preview Lab → · Contrast checker → · Palette generator →