#21510C#21510C

#21510C is a dark, moderate green. Relative luminance 0.062; OKLCH L 38.7% C 0.110 H 138.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#21510C
RGB	rgb(33, 81, 12)
HSL	hsl(102, 74%, 18%)
HSV	hsv(102, 85%, 32%)
CMYK	cmyk(59.3%, 0%, 85.2%, 68.2%)
CIE-LAB	lab(30.00, -29.79, 32.91)
CIE-LCH	lch(30.00, 44.39, 132.15°)
OKLab	oklab(38.67% -0.0823 0.0733)
OKLCH	oklch(38.67% 0.11 138.3)
XYZ	xyz(3.6359, 6.2344, 1.3595)
Luminance	0.0624 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21510C #3C0C51

analogous

#43510C #21510C #0C5119

triadic

#21510C #0C2151 #510C21

tetradic

#21510C #0C4351 #3C0C51 #51190C

square

#21510C #0C4351 #3C0C51 #51190C

split-complementary

#21510C #190C51 #510C43

monochromatic

#0B1B04 #0B1C04 #21510C #378614 #4CBC1C

Accessibility & contrast

On white

9.35

#21510C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#21510C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21510C

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21510C	#FFFFFF	#000000	##FFFFFF
##21510C	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544900

Deuteranopia (green-blind)

#4E4514

Tritanopia (blue-blind)

#1D4E44

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #21510c;
/* rgb */ color: rgb(33, 81, 12);
/* oklch */ color: oklch(38.7% 0.110 138.3);

Tailwind

colors: {
  custom: {
    50: '#638251',
    500: '#21510c',
    950: '#000000',
  },
}

SCSS

$custom: #21510c;
$custom-light: #638251;
$custom-dark: #000000;

JSON

{
  "hex": "#21510c",
  "rgb": {
    "r": 33,
    "g": 81,
    "b": 12
  },
  "hsl": {
    "h": 101.739,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.38666,
    "c": 0.11021,
    "h": 138.3
  },
  "luminance": 0.06235
}

Semantic roles & 50–950 ramp

primary

#21510C

secondary

#6F2C8C

accent

#37F1B8

background

#F6F8F4

surface

#EBEFE7

border

#C6CAC3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #21510C

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

Preview Lab → · Contrast checker → · Palette generator →