#21310D#21310D

#21310D is a dark, moderate yellow-green. Relative luminance 0.025; OKLCH L 29.0% C 0.061 H 129.8°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#21310D
RGB	rgb(33, 49, 13)
HSL	hsl(87, 58%, 12%)
HSV	hsv(87, 73%, 19%)
CMYK	cmyk(32.7%, 0%, 73.5%, 80.8%)
CIE-LAB	lab(18.14, -13.92, 20.15)
CIE-LCH	lch(18.14, 24.49, 124.65°)
OKLab	oklab(28.96% -0.0392 0.0471)
OKLCH	oklch(28.96% 0.061 129.8)
XYZ	xyz(1.7981, 2.5490, 0.7780)
Luminance	0.0255 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21310D #1D0D31

analogous

#312F0D #21310D #0F310D

triadic

#21310D #0D2131 #310D21

tetradic

#21310D #0D312F #1D0D31 #310D0F

square

#21310D #0D312F #1D0D31 #310D0F

split-complementary

#21310D #0D0F31 #2F0D31

monochromatic

#101806 #101806 #21310D #42611A #629227

Accessibility & contrast

On white

13.91

#21310D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#21310D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21310D

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21310D	#FFFFFF	#000000	##FFFFFF
##21310D	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D09

Deuteranopia (green-blind)

#312C10

Tritanopia (blue-blind)

#222F29

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #21310d;
/* rgb */ color: rgb(33, 49, 13);
/* oklch */ color: oklch(29.0% 0.061 129.8);

Tailwind

colors: {
  custom: {
    50: '#5e694d',
    500: '#21310d',
    950: '#000000',
  },
}

SCSS

$custom: #21310d;
$custom-light: #5e694d;
$custom-dark: #000000;

JSON

{
  "hex": "#21310d",
  "rgb": {
    "r": 33,
    "g": 49,
    "b": 13
  },
  "hsl": {
    "h": 86.667,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.28955,
    "c": 0.06125,
    "h": 129.8
  },
  "luminance": 0.02549
}

Semantic roles & 50–950 ramp

primary

#21310D

secondary

#492E6C

accent

#47E18B

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #21310D

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

Preview Lab → · Contrast checker → · Palette generator →