#21510D#21510D

#21510D is a dark, moderate green. Relative luminance 0.062; OKLCH L 38.7% C 0.110 H 138.5°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#21510D
RGB	rgb(33, 81, 13)
HSL	hsl(102, 72%, 18%)
HSV	hsv(102, 84%, 32%)
CMYK	cmyk(59.3%, 0%, 84%, 68.2%)
CIE-LAB	lab(30.00, -29.72, 32.54)
CIE-LCH	lch(30.00, 44.07, 132.40°)
OKLab	oklab(38.67% -0.0821 0.0727)
OKLCH	oklch(38.67% 0.11 138.5)
XYZ	xyz(3.6421, 6.2370, 1.3926)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21510D #3D0D51

analogous

#43510D #21510D #0D511B

triadic

#21510D #0D2151 #510D21

tetradic

#21510D #0D4351 #3D0D51 #511B0D

square

#21510D #0D4351 #3D0D51 #511B0D

split-complementary

#21510D #1B0D51 #510D43

monochromatic

#0B1A04 #0C1C05 #21510D #368615 #4CBA1E

Accessibility & contrast

On white

9.34

#21510D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#21510D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21510D

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21510D	#FFFFFF	#000000	##FFFFFF
##21510D	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544901

Deuteranopia (green-blind)

#4E4515

Tritanopia (blue-blind)

#1D4E44

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21510d;
/* rgb */ color: rgb(33, 81, 13);
/* oklch */ color: oklch(38.7% 0.110 138.5);

Tailwind

colors: {
  custom: {
    50: '#638252',
    500: '#21510d',
    950: '#000000',
  },
}

SCSS

$custom: #21510d;
$custom-light: #638252;
$custom-dark: #000000;

JSON

{
  "hex": "#21510d",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 13
  },
  "hsl": {
    "h": 102.353,
    "s": 72.34,
    "l": 18.431
  },
  "oklch": {
    "l": 0.38673,
    "c": 0.10963,
    "h": 138.5
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#21510D

secondary

#702E8C

accent

#39EFB9

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #21510D

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

Preview Lab → · Contrast checker → · Palette generator →