#21903B#21903B

#21903B is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.4% C 0.157 H 146.9°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#21903B
RGB	rgb(33, 144, 59)
HSL	hsl(134, 63%, 35%)
HSV	hsv(134, 77%, 56%)
CMYK	cmyk(77.1%, 0%, 59%, 43.5%)
CIE-LAB	lab(52.49, -48.72, 36.07)
CIE-LCH	lch(52.49, 60.62, 143.49°)
OKLab	oklab(57.42% -0.1311 0.0856)
OKLCH	oklch(57.42% 0.157 146.9)
XYZ	xyz(11.3890, 20.5843, 7.5098)
Luminance	0.2059 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21903B #902176

analogous

#3F9021 #21903B #219073

triadic

#21903B #3B2190 #903B21

tetradic

#21903B #213F90 #902176 #907321

square

#21903B #213F90 #902176 #907321

split-complementary

#21903B #732190 #90213F

monochromatic

#0A2C12 #165E27 #21903B #2CC24F #54D873

Accessibility & contrast

On white

4.10

#21903B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#21903B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21903B

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21903B	#FFFFFF	#000000	##000000
##21903B	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928333

Deuteranopia (green-blind)

#857A42

Tritanopia (blue-blind)

#008D7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #21903b;
/* rgb */ color: rgb(33, 144, 59);
/* oklch */ color: oklch(57.4% 0.157 146.9);

Tailwind

colors: {
  custom: {
    50: '#6fb274',
    500: '#21903b',
    950: '#000000',
  },
}

SCSS

$custom: #21903b;
$custom-light: #6fb274;
$custom-dark: #000000;

JSON

{
  "hex": "#21903b",
  "rgb": {
    "r": 33,
    "g": 144,
    "b": 59
  },
  "hsl": {
    "h": 134.054,
    "s": 62.712,
    "l": 34.706
  },
  "oklch": {
    "l": 0.57424,
    "c": 0.15661,
    "h": 146.9
  },
  "luminance": 0.20586
}

Semantic roles & 50–950 ramp

primary

#21903B

secondary

#BB51A3

accent

#42BFE6

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081108

muted

#7B807B

Preview Lab

Preview with #21903B

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

Preview Lab → · Contrast checker → · Palette generator →