#21AB3F#21AB3F

#21AB3F is a light, vivid green. Relative luminance 0.298; OKLCH L 64.9% C 0.186 H 146.0°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#21AB3F
RGB	rgb(33, 171, 63)
HSL	hsl(133, 68%, 40%)
HSV	hsv(133, 81%, 67%)
CMYK	cmyk(80.7%, 0%, 63.2%, 32.9%)
CIE-LAB	lab(61.49, -57.42, 44.56)
CIE-LCH	lch(61.49, 72.68, 142.19°)
OKLab	oklab(64.9% -0.1546 0.1042)
OKLCH	oklch(64.9% 0.186 146)
XYZ	xyz(16.0861, 29.8061, 9.6070)
Luminance	0.2981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AB3F #AB218D

analogous

#48AB21 #21AB3F #21AB84

triadic

#21AB3F #3F21AB #AB3F21

tetradic

#21AB3F #2148AB #AB218D #AB8421

square

#21AB3F #2148AB #AB218D #AB8421

split-complementary

#21AB3F #8421AB #AB2148

monochromatic

#0D4419 #17782C #21AB3F #32D756 #65E180

Accessibility & contrast

On white

3.02

#21AB3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#21AB3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21AB3F

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AB3F	#FFFFFF	#000000	##000000
##21AB3F	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9B33

Deuteranopia (green-blind)

#9F9048

Tritanopia (blue-blind)

#00A794

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #21ab3f;
/* rgb */ color: rgb(33, 171, 63);
/* oklch */ color: oklch(64.9% 0.186 146.0);

Tailwind

colors: {
  custom: {
    50: '#76c578',
    500: '#21ab3f',
    950: '#000000',
  },
}

SCSS

$custom: #21ab3f;
$custom-light: #76c578;
$custom-dark: #000000;

JSON

{
  "hex": "#21ab3f",
  "rgb": {
    "r": 33,
    "g": 171,
    "b": 63
  },
  "hsl": {
    "h": 133.043,
    "s": 67.647,
    "l": 40
  },
  "oklch": {
    "l": 0.64901,
    "c": 0.18646,
    "h": 146
  },
  "luminance": 0.29808
}

Semantic roles & 50–950 ramp

primary

#21AB3F

secondary

#C761B1

accent

#3DC5EB

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21AB3F

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

Preview Lab → · Contrast checker → · Palette generator →