#42631B#42631B

#42631B is a mid, moderate yellow-green. Relative luminance 0.102; OKLCH L 45.8% C 0.106 H 130.9°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#42631B
RGB	rgb(66, 99, 27)
HSL	hsl(88, 57%, 25%)
HSV	hsv(88, 73%, 39%)
CMYK	cmyk(33.3%, 0%, 72.7%, 61.2%)
CIE-LAB	lab(38.13, -24.67, 35.48)
CIE-LCH	lch(38.13, 43.22, 124.81°)
OKLab	oklab(45.83% -0.0697 0.0805)
OKLCH	oklch(45.83% 0.106 130.9)
XYZ	xyz(6.9064, 10.1608, 2.6341)
Luminance	0.1016 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42631B #3C1B63

analogous

#63601B #42631B #1E631B

triadic

#42631B #1B4263 #631B42

tetradic

#42631B #1B6360 #3C1B63 #631B1E

square

#42631B #1B6360 #3C1B63 #631B1E

split-complementary

#42631B #1B1E63 #601B63

monochromatic

#101807 #22330E #42631B #629328 #82C335

Accessibility & contrast

On white

6.93

#42631B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#42631B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42631B

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42631B	#FFFFFF	#000000	##FFFFFF
##42631B	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685B10

Deuteranopia (green-blind)

#635921

Tritanopia (blue-blind)

#435F55

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #42631b;
/* rgb */ color: rgb(66, 99, 27);
/* oklch */ color: oklch(45.8% 0.106 130.9);

Tailwind

colors: {
  custom: {
    50: '#798f5c',
    500: '#42631b',
    950: '#000000',
  },
}

SCSS

$custom: #42631b;
$custom-light: #798f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#42631b",
  "rgb": {
    "r": 66,
    "g": 99,
    "b": 27
  },
  "hsl": {
    "h": 87.5,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.45829,
    "c": 0.10648,
    "h": 130.9
  },
  "luminance": 0.10161
}

Semantic roles & 50–950 ramp

primary

#42631B

secondary

#694198

accent

#47E08E

background

#F7F8F5

surface

#EEF0E9

border

#C9CBC5

text

#090C04

muted

#7B7D79

Preview Lab

Preview with #42631B

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

Preview Lab → · Contrast checker → · Palette generator →