#21AD33#21AD33

#21AD33 is a light, vivid green. Relative luminance 0.304; OKLCH L 65.3% C 0.197 H 144.4°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#21AD33
RGB	rgb(33, 173, 51)
HSL	hsl(128, 68%, 40%)
HSV	hsv(128, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 70.5%, 32.2%)
CIE-LAB	lab(62.04, -59.34, 50.24)
CIE-LCH	lch(62.04, 77.75, 139.75°)
OKLab	oklab(65.33% -0.1603 0.115)
OKLCH	oklch(65.33% 0.197 144.4)
XYZ	xyz(16.1672, 30.4475, 8.1562)
Luminance	0.3045 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AD33 #AD219B

analogous

#55AD21 #21AD33 #21AD79

triadic

#21AD33 #3321AD #AD3321

tetradic

#21AD33 #2155AD #AD219B #AD7921

square

#21AD33 #2155AD #AD219B #AD7921

split-complementary

#21AD33 #7921AD #AD2155

monochromatic

#0D4615 #177A24 #21AD33 #33D848 #66E276

Accessibility & contrast

On white

2.96

#21AD33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#21AD33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD33

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AD33	#FFFFFF	#000000	##000000
##21AD33	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C20

Deuteranopia (green-blind)

#A1923F

Tritanopia (blue-blind)

#00A895

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #21ad33;
/* rgb */ color: rgb(33, 173, 51);
/* oklch */ color: oklch(65.3% 0.197 144.4);

Tailwind

colors: {
  custom: {
    50: '#77c771',
    500: '#21ad33',
    950: '#000000',
  },
}

SCSS

$custom: #21ad33;
$custom-light: #77c771;
$custom-dark: #000000;

JSON

{
  "hex": "#21ad33",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 51
  },
  "hsl": {
    "h": 127.714,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65327,
    "c": 0.19724,
    "h": 144.4
  },
  "luminance": 0.30449
}

Semantic roles & 50–950 ramp

primary

#21AD33

secondary

#C762BA

accent

#3DD4EB

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0A1308

muted

#7C827B

Preview Lab

Preview with #21AD33

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

Preview Lab → · Contrast checker → · Palette generator →