#4B591B#4B591B

#4B591B is a dark, moderate yellow-green. Relative luminance 0.087; OKLCH L 43.8% C 0.087 H 121.0°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B591B
RGB	rgb(75, 89, 27)
HSL	hsl(74, 53%, 23%)
HSV	hsv(74, 70%, 35%)
CMYK	cmyk(15.7%, 0%, 69.7%, 65.1%)
CIE-LAB	lab(35.44, -15.46, 32.86)
CIE-LCH	lch(35.44, 36.32, 115.20°)
OKLab	oklab(43.81% -0.0449 0.0748)
OKLCH	oklch(43.81% 0.087 121)
XYZ	xyz(6.6719, 8.7198, 2.3683)
Luminance	0.0872 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B591B #291B59

analogous

#59481B #4B591B #2C591B

triadic

#4B591B #1B4B59 #591B4B

tetradic

#4B591B #1B5948 #291B59 #591B2C

square

#4B591B #1B5948 #291B59 #591B2C

split-complementary

#4B591B #1B2C59 #481B59

monochromatic

#141707 #232A0D #4B591B #738829 #9AB737

Accessibility & contrast

On white

7.65

#4B591B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4B591B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B591B

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B591B	#FFFFFF	#000000	##FFFFFF
##4B591B	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5413

Deuteranopia (green-blind)

#5D5320

Tritanopia (blue-blind)

#4F544C

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4b591b;
/* rgb */ color: rgb(75, 89, 27);
/* oklch */ color: oklch(43.8% 0.087 121.0);

Tailwind

colors: {
  custom: {
    50: '#7f875b',
    500: '#4b591b',
    950: '#000000',
  },
}

SCSS

$custom: #4b591b;
$custom-light: #7f875b;
$custom-dark: #000000;

JSON

{
  "hex": "#4b591b",
  "rgb": {
    "r": 75,
    "g": 89,
    "b": 27
  },
  "hsl": {
    "h": 73.548,
    "s": 53.448,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43814,
    "c": 0.08727,
    "h": 121
  },
  "luminance": 0.0872
}

Semantic roles & 50–950 ramp

primary

#4B591B

secondary

#53418F

accent

#4BDD6C

background

#F7F8F5

surface

#EEEFE9

border

#C9CAC5

text

#0A0B04

muted

#7C7C79

Preview Lab

Preview with #4B591B

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

Preview Lab → · Contrast checker → · Palette generator →