#21500B#21500B

#21500B is a dark, moderate green. Relative luminance 0.061; OKLCH L 38.4% C 0.109 H 138.1°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#21500B
RGB	rgb(33, 80, 11)
HSL	hsl(101, 76%, 18%)
HSV	hsv(101, 86%, 31%)
CMYK	cmyk(58.8%, 0%, 86.3%, 68.6%)
CIE-LAB	lab(29.62, -29.43, 32.91)
CIE-LCH	lch(29.62, 44.15, 131.80°)
OKLab	oklab(38.36% -0.0814 0.0731)
OKLCH	oklch(38.36% 0.109 138.1)
XYZ	xyz(3.5561, 6.0845, 1.3036)
Luminance	0.0609 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21500B #3A0B50

analogous

#43500B #21500B #0B5018

triadic

#21500B #0B2150 #500B21

tetradic

#21500B #0B4350 #3A0B50 #50180B

square

#21500B #0B4350 #3A0B50 #50180B

split-complementary

#21500B #180B50 #500B43

monochromatic

#0B1B04 #0B1B04 #21500B #378612 #4DBC1A

Accessibility & contrast

On white

9.47

#21500B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#21500B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21500B

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21500B	#FFFFFF	#000000	##FFFFFF
##21500B	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534800

Deuteranopia (green-blind)

#4D4413

Tritanopia (blue-blind)

#1D4D43

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #21500b;
/* rgb */ color: rgb(33, 80, 11);
/* oklch */ color: oklch(38.4% 0.109 138.1);

Tailwind

colors: {
  custom: {
    50: '#638151',
    500: '#21500b',
    950: '#000000',
  },
}

SCSS

$custom: #21500b;
$custom-light: #638151;
$custom-dark: #000000;

JSON

{
  "hex": "#21500b",
  "rgb": {
    "r": 33,
    "g": 80,
    "b": 11
  },
  "hsl": {
    "h": 100.87,
    "s": 75.824,
    "l": 17.843
  },
  "oklch": {
    "l": 0.38358,
    "c": 0.10943,
    "h": 138.1
  },
  "luminance": 0.06085
}

Semantic roles & 50–950 ramp

primary

#21500B

secondary

#6D2B8C

accent

#35F2B6

background

#F6F7F4

surface

#EBEEE7

border

#C6C9C3

text

#060A02

muted

#7A7C78

Preview Lab

Preview with #21500B

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

Preview Lab → · Contrast checker → · Palette generator →