#21AD37#21AD37

#21AD37 is a light, vivid green. Relative luminance 0.305; OKLCH L 65.4% C 0.195 H 144.8°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#21AD37
RGB	rgb(33, 173, 55)
HSL	hsl(129, 68%, 40%)
HSV	hsv(129, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 68.2%, 32.2%)
CIE-LAB	lab(62.07, -58.95, 48.66)
CIE-LCH	lch(62.07, 76.44, 140.46°)
OKLab	oklab(65.36% -0.159 0.1121)
OKLCH	oklch(65.36% 0.195 144.8)
XYZ	xyz(16.2592, 30.4843, 8.6408)
Luminance	0.3049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AD37 #AD2197

analogous

#51AD21 #21AD37 #21AD7D

triadic

#21AD37 #3721AD #AD3721

tetradic

#21AD37 #2151AD #AD2197 #AD7D21

square

#21AD37 #2151AD #AD2197 #AD7D21

split-complementary

#21AD37 #7D21AD #AD2151

monochromatic

#0D4616 #177A27 #21AD37 #33D84D #66E27A

Accessibility & contrast

On white

2.96

#21AD37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#21AD37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD37

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AD37	#FFFFFF	#000000	##000000
##21AD37	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C27

Deuteranopia (green-blind)

#A19242

Tritanopia (blue-blind)

#00A895

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #21ad37;
/* rgb */ color: rgb(33, 173, 55);
/* oklch */ color: oklch(65.4% 0.195 144.8);

Tailwind

colors: {
  custom: {
    50: '#77c774',
    500: '#21ad37',
    950: '#000000',
  },
}

SCSS

$custom: #21ad37;
$custom-light: #77c774;
$custom-dark: #000000;

JSON

{
  "hex": "#21ad37",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 55
  },
  "hsl": {
    "h": 129.429,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65363,
    "c": 0.19458,
    "h": 144.8
  },
  "luminance": 0.30486
}

Semantic roles & 50–950 ramp

primary

#21AD37

secondary

#C762B8

accent

#3DD0EB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #21AD37

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

Preview Lab → · Contrast checker → · Palette generator →