#21904B#21904B

#21904B is a mid, vivid green. Relative luminance 0.208; OKLCH L 57.7% C 0.142 H 151.0°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#21904B
RGB	rgb(33, 144, 75)
HSL	hsl(143, 63%, 35%)
HSV	hsv(143, 77%, 56%)
CMYK	cmyk(77.1%, 0%, 47.9%, 43.5%)
CIE-LAB	lab(52.70, -46.22, 28.10)
CIE-LCH	lch(52.70, 54.09, 148.70°)
OKLab	oklab(57.67% -0.1242 0.0688)
OKLCH	oklch(57.67% 0.142 151)
XYZ	xyz(11.8694, 20.7765, 10.0399)
Luminance	0.2078 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21904B #902166

analogous

#2E9021 #21904B #219083

triadic

#21904B #4B2190 #904B21

tetradic

#21904B #212E90 #902166 #908321

square

#21904B #212E90 #902166 #908321

split-complementary

#21904B #832190 #90212E

monochromatic

#0A2C17 #165E31 #21904B #2CC265 #54D886

Accessibility & contrast

On white

4.07

#21904B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#21904B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21904B

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21904B	#FFFFFF	#000000	##000000
##21904B	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918346

Deuteranopia (green-blind)

#847A50

Tritanopia (blue-blind)

#008E80

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #21904b;
/* rgb */ color: rgb(33, 144, 75);
/* oklch */ color: oklch(57.7% 0.142 151.0);

Tailwind

colors: {
  custom: {
    50: '#6fb17e',
    500: '#21904b',
    950: '#000000',
  },
}

SCSS

$custom: #21904b;
$custom-light: #6fb17e;
$custom-dark: #000000;

JSON

{
  "hex": "#21904b",
  "rgb": {
    "r": 33,
    "g": 144,
    "b": 75
  },
  "hsl": {
    "h": 142.703,
    "s": 62.712,
    "l": 34.706
  },
  "oklch": {
    "l": 0.57669,
    "c": 0.14201,
    "h": 151
  },
  "luminance": 0.20778
}

Semantic roles & 50–950 ramp

primary

#21904B

secondary

#BB5193

accent

#42A8E6

background

#F7FBF7

surface

#EDF6EE

border

#C8D0C9

text

#08110A

muted

#7B807C

Preview Lab

Preview with #21904B

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

Preview Lab → · Contrast checker → · Palette generator →