#21370D#21370D

#21370D is a dark, moderate yellow-green. Relative luminance 0.031; OKLCH L 30.8% C 0.071 H 132.8°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#21370D
RGB	rgb(33, 55, 13)
HSL	hsl(91, 62%, 13%)
HSV	hsv(91, 76%, 22%)
CMYK	cmyk(40%, 0%, 76.4%, 78.4%)
CIE-LAB	lab(20.38, -17.27, 22.73)
CIE-LCH	lch(20.38, 28.55, 127.22°)
OKLab	oklab(30.78% -0.0484 0.0522)
OKLCH	oklch(30.78% 0.071 132.8)
XYZ	xyz(2.0660, 3.0847, 0.8672)
Luminance	0.0308 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21370D #230D37

analogous

#36370D #21370D #0D370E

triadic

#21370D #0D2137 #370D21

tetradic

#21370D #0D3637 #230D37 #370E0D

square

#21370D #0D3637 #230D37 #370E0D

split-complementary

#21370D #0E0D37 #370D36

monochromatic

#0F1906 #0F1906 #21370D #3F6819 #5C9A24

Accessibility & contrast

On white

12.99

#21370D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#21370D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21370D

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21370D	#FFFFFF	#000000	##FFFFFF
##21370D	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3208

Deuteranopia (green-blind)

#373110

Tritanopia (blue-blind)

#21342E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #21370d;
/* rgb */ color: rgb(33, 55, 13);
/* oklch */ color: oklch(30.8% 0.071 132.8);

Tailwind

colors: {
  custom: {
    50: '#5e6e4e',
    500: '#21370d',
    950: '#000000',
  },
}

SCSS

$custom: #21370d;
$custom-light: #5e6e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#21370d",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 13
  },
  "hsl": {
    "h": 91.429,
    "s": 61.765,
    "l": 13.333
  },
  "oklch": {
    "l": 0.30778,
    "c": 0.0712,
    "h": 132.8
  },
  "luminance": 0.03085
}

Semantic roles & 50–950 ramp

primary

#21370D

secondary

#522D72

accent

#43E598

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040701

muted

#797A77

Preview Lab

Preview with #21370D

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

Preview Lab → · Contrast checker → · Palette generator →