#21BB2F#21BB2F

#21BB2F is a light, highly saturated green. Relative luminance 0.361; OKLCH L 69.1% C 0.215 H 143.7°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#21BB2F
RGB	rgb(33, 187, 47)
HSL	hsl(125, 70%, 43%)
HSV	hsv(125, 82%, 73%)
CMYK	cmyk(82.4%, 0%, 74.9%, 26.7%)
CIE-LAB	lab(66.57, -64.02, 56.37)
CIE-LCH	lch(66.57, 85.30, 138.63°)
OKLab	oklab(69.09% -0.1732 0.1273)
OKLCH	oklch(69.09% 0.215 143.7)
XYZ	xyz(18.9093, 36.0669, 8.6538)
Luminance	0.3607 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BB2F #BB21AD

analogous

#60BB21 #21BB2F #21BB7C

triadic

#21BB2F #2F21BB #BB2F21

tetradic

#21BB2F #2160BB #BB21AD #BB7C21

square

#21BB2F #2160BB #BB21AD #BB7C21

split-complementary

#21BB2F #7C21BB #BB2160

monochromatic

#0F5315 #188722 #21BB2F #3DDD4B #71E67B

Accessibility & contrast

On white

2.56

#21BB2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#21BB2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BB2F

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BB2F	#FFFFFF	#000000	##000000
##21BB2F	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA912

Deuteranopia (green-blind)

#AF9E3E

Tritanopia (blue-blind)

#00B6A0

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #21bb2f;
/* rgb */ color: rgb(33, 187, 47);
/* oklch */ color: oklch(69.1% 0.215 143.7);

Tailwind

colors: {
  custom: {
    50: '#7ad171',
    500: '#21bb2f',
    950: '#000000',
  },
}

SCSS

$custom: #21bb2f;
$custom-light: #7ad171;
$custom-dark: #000000;

JSON

{
  "hex": "#21bb2f",
  "rgb": {
    "r": 33,
    "g": 187,
    "b": 47
  },
  "hsl": {
    "h": 125.455,
    "s": 70,
    "l": 43.137
  },
  "oklch": {
    "l": 0.69089,
    "c": 0.21493,
    "h": 143.7
  },
  "luminance": 0.36069
}

Semantic roles & 50–950 ramp

primary

#21BB2F

secondary

#CC6BC4

accent

#3BDDED

background

#F8FDF7

surface

#EFFAED

border

#CAD3C8

text

#0B1408

muted

#7C837B

Preview Lab

Preview with #21BB2F

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

Preview Lab → · Contrast checker → · Palette generator →