#28370D#28370D

#28370D is a dark, moderate yellow-green. Relative luminance 0.032; OKLCH L 31.3% C 0.067 H 126.8°. Best body text is #FFFFFF at 12.78:1 contrast (WCAG AA passes).

Color values

HEX	#28370D
RGB	rgb(40, 55, 13)
HSL	hsl(81, 62%, 13%)
HSV	hsv(81, 76%, 22%)
CMYK	cmyk(27.3%, 0%, 76.4%, 78.4%)
CIE-LAB	lab(20.88, -14.03, 23.42)
CIE-LCH	lch(20.88, 27.30, 120.93°)
OKLab	oklab(31.31% -0.04 0.0535)
OKLCH	oklch(31.31% 0.067 126.8)
XYZ	xyz(2.3139, 3.2125, 0.8789)
Luminance	0.0321 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28370D #1C0D37

analogous

#37310D #28370D #13370D

triadic

#28370D #0D2837 #370D28

tetradic

#28370D #0D3731 #1C0D37 #370D13

square

#28370D #0D3731 #1C0D37 #370D13

split-complementary

#28370D #0D1337 #310D37

monochromatic

#121906 #121906 #28370D #4C6819 #709A24

Accessibility & contrast

On white

12.78

#28370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#28370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28370D

12.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28370D	#FFFFFF	#000000	##FFFFFF
##28370D	1.00	12.78	1.64	12.78
#FFFFFF	12.78	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3308

Deuteranopia (green-blind)

#383210

Tritanopia (blue-blind)

#2A342E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #28370d;
/* rgb */ color: rgb(40, 55, 13);
/* oklch */ color: oklch(31.3% 0.067 126.8);

Tailwind

colors: {
  custom: {
    50: '#636d4e',
    500: '#28370d',
    950: '#000000',
  },
}

SCSS

$custom: #28370d;
$custom-light: #636d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#28370d",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 81.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.31311,
    "c": 0.06684,
    "h": 126.8
  },
  "luminance": 0.03213
}

Semantic roles & 50–950 ramp

primary

#28370D

secondary

#462D72

accent

#43E57D

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#050701

muted

#7A7A77

Preview Lab

Preview with #28370D

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

Preview Lab → · Contrast checker → · Palette generator →