#21B44B#21B44B

#21B44B is a light, vivid green. Relative luminance 0.335; OKLCH L 67.5% C 0.188 H 147.5°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#21B44B
RGB	rgb(33, 180, 75)
HSL	hsl(137, 69%, 42%)
HSV	hsv(137, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 58.3%, 29.4%)
CIE-LAB	lab(64.54, -58.88, 42.56)
CIE-LCH	lch(64.54, 72.65, 144.14°)
OKLab	oklab(67.48% -0.1582 0.101)
OKLCH	oklch(67.48% 0.188 147.5)
XYZ	xyz(18.2170, 33.4716, 12.1558)
Luminance	0.3347 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B44B #B4218A

analogous

#41B421 #21B44B #21B495

triadic

#21B44B #4B21B4 #B44B21

tetradic

#21B44B #2141B4 #B4218A #B49521

square

#21B44B #2141B4 #B4218A #B49521

split-complementary

#21B44B #9521B4 #B42141

monochromatic

#0E4D20 #188035 #21B44B #38DA66 #6BE48E

Accessibility & contrast

On white

2.73

#21B44B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#21B44B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B44B

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B44B	#FFFFFF	#000000	##000000
##21B44B	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A340

Deuteranopia (green-blind)

#A69854

Tritanopia (blue-blind)

#00B09D

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b44b;
/* rgb */ color: rgb(33, 180, 75);
/* oklch */ color: oklch(67.5% 0.188 147.5);

Tailwind

colors: {
  custom: {
    50: '#77cc80',
    500: '#21b44b',
    950: '#000000',
  },
}

SCSS

$custom: #21b44b;
$custom-light: #77cc80;
$custom-dark: #000000;

JSON

{
  "hex": "#21b44b",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 75
  },
  "hsl": {
    "h": 137.143,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67478,
    "c": 0.18766,
    "h": 147.5
  },
  "luminance": 0.33474
}

Semantic roles & 50–950 ramp

primary

#21B44B

secondary

#CA67AE

accent

#3CBAEC

background

#F8FCF8

surface

#EFF9EF

border

#CAD2CA

text

#0A130A

muted

#7C827C

Preview Lab

Preview with #21B44B

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

Preview Lab → · Contrast checker → · Palette generator →