#4B581B#4B581B

#4B581B is a dark, moderate yellow-green. Relative luminance 0.086; OKLCH L 43.5% C 0.086 H 120.4°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#4B581B
RGB	rgb(75, 88, 27)
HSL	hsl(73, 53%, 23%)
HSV	hsv(73, 69%, 35%)
CMYK	cmyk(14.8%, 0%, 69.3%, 65.5%)
CIE-LAB	lab(35.11, -14.91, 32.51)
CIE-LCH	lch(35.11, 35.77, 114.63°)
OKLab	oklab(43.55% -0.0434 0.0741)
OKLCH	oklch(43.55% 0.086 120.4)
XYZ	xyz(6.5893, 8.5545, 2.3407)
Luminance	0.0855 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B581B #281B58

analogous

#58461B #4B581B #2C581B

triadic

#4B581B #1B4B58 #581B4B

tetradic

#4B581B #1B5846 #281B58 #581B2C

square

#4B581B #1B5846 #281B58 #581B2C

split-complementary

#4B581B #1B2C58 #461B58

monochromatic

#141707 #23290D #4B581B #738729 #9BB638

Accessibility & contrast

On white

7.75

#4B581B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4B581B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B581B

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B581B	#FFFFFF	#000000	##FFFFFF
##4B581B	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5313

Deuteranopia (green-blind)

#5C531F

Tritanopia (blue-blind)

#4F534B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b581b;
/* rgb */ color: rgb(75, 88, 27);
/* oklch */ color: oklch(43.5% 0.086 120.4);

Tailwind

colors: {
  custom: {
    50: '#7f875b',
    500: '#4b581b',
    950: '#000000',
  },
}

SCSS

$custom: #4b581b;
$custom-light: #7f875b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b581b",
  "rgb": {
    "r": 75,
    "g": 88,
    "b": 27
  },
  "hsl": {
    "h": 72.787,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.4355,
    "c": 0.08585,
    "h": 120.4
  },
  "luminance": 0.08554
}

Semantic roles & 50–950 ramp

primary

#4B581B

secondary

#51418E

accent

#4BDC6A

background

#F7F8F5

surface

#EEEFE9

border

#C9CAC5

text

#0A0B04

muted

#7C7C79

Preview Lab

Preview with #4B581B

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

Preview Lab → · Contrast checker → · Palette generator →