#21AD3F#21AD3F

#21AD3F is a light, vivid green. Relative luminance 0.306; OKLCH L 65.4% C 0.189 H 145.9°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#21AD3F
RGB	rgb(33, 173, 63)
HSL	hsl(133, 68%, 40%)
HSV	hsv(133, 81%, 68%)
CMYK	cmyk(80.9%, 0%, 63.6%, 32.2%)
CIE-LAB	lab(62.14, -58.08, 45.30)
CIE-LCH	lch(62.14, 73.65, 142.05°)
OKLab	oklab(65.44% -0.1564 0.1058)
OKLCH	oklch(65.44% 0.189 145.9)
XYZ	xyz(16.4667, 30.5673, 9.7339)
Luminance	0.3057 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AD3F #AD218F

analogous

#49AD21 #21AD3F #21AD85

triadic

#21AD3F #3F21AD #AD3F21

tetradic

#21AD3F #2149AD #AD218F #AD8521

square

#21AD3F #2149AD #AD218F #AD8521

split-complementary

#21AD3F #8521AD #AD2149

monochromatic

#0D461A #177A2C #21AD3F #33D856 #66E281

Accessibility & contrast

On white

2.95

#21AD3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#21AD3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AD3F

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AD3F	#FFFFFF	#000000	##000000
##21AD3F	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09D32

Deuteranopia (green-blind)

#A09249

Tritanopia (blue-blind)

#00A996

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #21ad3f;
/* rgb */ color: rgb(33, 173, 63);
/* oklch */ color: oklch(65.4% 0.189 145.9);

Tailwind

colors: {
  custom: {
    50: '#76c778',
    500: '#21ad3f',
    950: '#000000',
  },
}

SCSS

$custom: #21ad3f;
$custom-light: #76c778;
$custom-dark: #000000;

JSON

{
  "hex": "#21ad3f",
  "rgb": {
    "r": 33,
    "g": 173,
    "b": 63
  },
  "hsl": {
    "h": 132.857,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.65445,
    "c": 0.18881,
    "h": 145.9
  },
  "luminance": 0.30569
}

Semantic roles & 50–950 ramp

primary

#21AD3F

secondary

#C762B2

accent

#3DC6EB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21AD3F

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

Preview Lab → · Contrast checker → · Palette generator →