#21973B#21973B

#21973B is a mid, vivid green. Relative luminance 0.228; OKLCH L 59.4% C 0.165 H 146.4°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#21973B
RGB	rgb(33, 151, 59)
HSL	hsl(133, 64%, 36%)
HSV	hsv(133, 78%, 59%)
CMYK	cmyk(78.1%, 0%, 60.9%, 40.8%)
CIE-LAB	lab(54.84, -51.18, 38.80)
CIE-LCH	lch(54.84, 64.22, 142.83°)
OKLab	oklab(59.37% -0.1378 0.0915)
OKLCH	oklch(59.37% 0.165 146.4)
XYZ	xyz(12.4823, 22.7708, 7.8742)
Luminance	0.2277 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21973B #97217D

analogous

#429721 #21973B #219776

triadic

#21973B #3B2197 #973B21

tetradic

#21973B #214297 #97217D #977621

square

#21973B #214297 #97217D #977621

split-complementary

#21973B #762197 #972142

monochromatic

#0B3314 #166527 #21973B #2CC94F #58DA75

Accessibility & contrast

On white

3.78

#21973B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#21973B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21973B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21973B	#FFFFFF	#000000	##000000
##21973B	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#998931

Deuteranopia (green-blind)

#8C8043

Tritanopia (blue-blind)

#009383

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #21973b;
/* rgb */ color: rgb(33, 151, 59);
/* oklch */ color: oklch(59.4% 0.165 146.4);

Tailwind

colors: {
  custom: {
    50: '#71b774',
    500: '#21973b',
    950: '#000000',
  },
}

SCSS

$custom: #21973b;
$custom-light: #71b774;
$custom-dark: #000000;

JSON

{
  "hex": "#21973b",
  "rgb": {
    "r": 33,
    "g": 151,
    "b": 59
  },
  "hsl": {
    "h": 133.22,
    "s": 64.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.59367,
    "c": 0.16542,
    "h": 146.4
  },
  "luminance": 0.22772
}

Semantic roles & 50–950 ramp

primary

#21973B

secondary

#BE55A7

accent

#41C2E7

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #21973B

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

Preview Lab → · Contrast checker → · Palette generator →