#28331B#28331B

#28331B is a dark, muted yellow-green. Relative luminance 0.029; OKLCH L 30.4% C 0.043 H 128.8°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#28331B
RGB	rgb(40, 51, 27)
HSL	hsl(88, 31%, 15%)
HSV	hsv(88, 47%, 20%)
CMYK	cmyk(21.6%, 0%, 47.1%, 80%)
CIE-LAB	lab(19.63, -9.87, 13.73)
CIE-LCH	lch(19.63, 16.91, 125.71°)
OKLab	oklab(30.37% -0.0271 0.0337)
OKLCH	oklch(30.37% 0.043 128.8)
XYZ	xyz(2.2567, 2.8979, 1.4771)
Luminance	0.0290 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28331B #261B33

analogous

#33321B #28331B #1C331B

triadic

#28331B #1B2833 #331B28

tetradic

#28331B #1B3332 #261B33 #331B1C

square

#28331B #1B3332 #261B33 #331B1C

split-complementary

#28331B #1B1C33 #321B33

monochromatic

#10140B #10140B #28331B #475B30 #678345

Accessibility & contrast

On white

13.29

#28331B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#28331B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28331B

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28331B	#FFFFFF	#000000	##FFFFFF
##28331B	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353019

Deuteranopia (green-blind)

#342F1C

Tritanopia (blue-blind)

#29312D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #28331b;
/* rgb */ color: rgb(40, 51, 27);
/* oklch */ color: oklch(30.4% 0.043 128.8);

Tailwind

colors: {
  custom: {
    50: '#626a57',
    500: '#28331b',
    950: '#000000',
  },
}

SCSS

$custom: #28331b;
$custom-light: #626a57;
$custom-dark: #000000;

JSON

{
  "hex": "#28331b",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 27
  },
  "hsl": {
    "h": 87.5,
    "s": 30.769,
    "l": 15.294
  },
  "oklch": {
    "l": 0.3037,
    "c": 0.04325,
    "h": 128.8
  },
  "luminance": 0.02898
}

Semantic roles & 50–950 ramp

primary

#28331B

secondary

#534367

accent

#61C790

background

#F5F6F5

surface

#EAEBE9

border

#C6C6C5

text

#050603

muted

#797A78

Preview Lab

Preview with #28331B

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

Preview Lab → · Contrast checker → · Palette generator →