#21BB3C#21BB3C

#21BB3C is a light, highly saturated green. Relative luminance 0.362; OKLCH L 69.2% C 0.207 H 145.0°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#21BB3C
RGB	rgb(33, 187, 60)
HSL	hsl(131, 70%, 43%)
HSV	hsv(131, 82%, 73%)
CMYK	cmyk(82.4%, 0%, 67.9%, 26.7%)
CIE-LAB	lab(66.66, -62.87, 51.55)
CIE-LCH	lch(66.66, 81.30, 140.65°)
OKLab	oklab(69.19% -0.1695 0.1188)
OKLCH	oklch(69.19% 0.207 145)
XYZ	xyz(19.2117, 36.1878, 10.2465)
Luminance	0.3619 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BB3C #BB21A0

analogous

#53BB21 #21BB3C #21BB89

triadic

#21BB3C #3C21BB #BB3C21

tetradic

#21BB3C #2153BB #BB21A0 #BB8921

square

#21BB3C #2153BB #BB21A0 #BB8921

split-complementary

#21BB3C #8921BB #BB2153

monochromatic

#0F531B #18872B #21BB3C #3DDD59 #71E685

Accessibility & contrast

On white

2.55

#21BB3C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#21BB3C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BB3C

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BB3C	#FFFFFF	#000000	##000000
##21BB3C	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA92A

Deuteranopia (green-blind)

#AE9E48

Tritanopia (blue-blind)

#00B6A1

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #21bb3c;
/* rgb */ color: rgb(33, 187, 60);
/* oklch */ color: oklch(69.2% 0.207 145.0);

Tailwind

colors: {
  custom: {
    50: '#7ad178',
    500: '#21bb3c',
    950: '#000000',
  },
}

SCSS

$custom: #21bb3c;
$custom-light: #7ad178;
$custom-dark: #000000;

JSON

{
  "hex": "#21bb3c",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 60
  },
  "hsl": {
    "h": 130.519,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69195,
    "c": 0.20698,
    "h": 145
  },
  "luminance": 0.3619
}

Semantic roles & 50–950 ramp

primary

#21BB3C

secondary

#CC6BBB

accent

#3BCEED

background

#F8FDF7

surface

#EFFAEE

border

#CAD3C9

text

#0B1409

muted

#7C837B

Preview Lab

Preview with #21BB3C

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

Preview Lab → · Contrast checker → · Palette generator →