#4B641B#4B641B

#4B641B is a mid, moderate yellow-green. Relative luminance 0.107; OKLCH L 46.7% C 0.103 H 126.5°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#4B641B
RGB	rgb(75, 100, 27)
HSL	hsl(81, 57%, 25%)
HSV	hsv(81, 73%, 39%)
CMYK	cmyk(25%, 0%, 73%, 60.8%)
CIE-LAB	lab(39.05, -21.35, 36.62)
CIE-LCH	lch(39.05, 42.39, 120.24°)
OKLab	oklab(46.73% -0.0612 0.0827)
OKLCH	oklch(46.73% 0.103 126.5)
XYZ	xyz(7.6567, 10.6892, 2.6965)
Luminance	0.1069 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B641B #341B64

analogous

#64591B #4B641B #27641B

triadic

#4B641B #1B4B64 #641B4B

tetradic

#4B641B #1B6459 #341B64 #641B27

square

#4B641B #1B6459 #341B64 #641B27

split-complementary

#4B641B #1B2764 #591B64

monochromatic

#121807 #27340E #4B641B #6F9428 #93C435

Accessibility & contrast

On white

6.69

#4B641B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4B641B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B641B

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B641B	#FFFFFF	#000000	##FFFFFF
##4B641B	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695D10

Deuteranopia (green-blind)

#665C21

Tritanopia (blue-blind)

#4E5F55

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b641b;
/* rgb */ color: rgb(75, 100, 27);
/* oklch */ color: oklch(46.7% 0.103 126.5);

Tailwind

colors: {
  custom: {
    50: '#80905c',
    500: '#4b641b',
    950: '#000000',
  },
}

SCSS

$custom: #4b641b;
$custom-light: #80905c;
$custom-dark: #000000;

JSON

{
  "hex": "#4b641b",
  "rgb": {
    "r": 75,
    "g": 100,
    "b": 27
  },
  "hsl": {
    "h": 80.548,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.46732,
    "c": 0.1029,
    "h": 126.5
  },
  "luminance": 0.10689
}

Semantic roles & 50–950 ramp

primary

#4B641B

secondary

#604199

accent

#47E17C

background

#F8F8F5

surface

#EFF0E9

border

#CACBC5

text

#0A0C04

muted

#7C7D79

Preview Lab

Preview with #4B641B

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

Preview Lab → · Contrast checker → · Palette generator →