#21B136#21B136

#21B136 is a light, vivid green. Relative luminance 0.320; OKLCH L 66.4% C 0.200 H 144.6°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#21B136
RGB	rgb(33, 177, 54)
HSL	hsl(129, 69%, 41%)
HSV	hsv(129, 81%, 69%)
CMYK	cmyk(81.4%, 0%, 69.5%, 30.6%)
CIE-LAB	lab(63.37, -60.32, 50.45)
CIE-LCH	lch(63.37, 78.64, 140.09°)
OKLab	oklab(66.44% -0.1628 0.1158)
OKLCH	oklch(66.44% 0.2 144.6)
XYZ	xyz(17.0140, 32.0319, 8.7754)
Luminance	0.3203 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B136 #B1219C

analogous

#54B121 #21B136 #21B17E

triadic

#21B136 #3621B1 #B13621

tetradic

#21B136 #2154B1 #B1219C #B17E21

square

#21B136 #2154B1 #B1219C #B17E21

split-complementary

#21B136 #7E21B1 #B12154

monochromatic

#0E4A17 #177D26 #21B136 #36D94E #69E37B

Accessibility & contrast

On white

2.84

#21B136 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#21B136 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B136

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B136	#FFFFFF	#000000	##000000
##21B136	1.00	2.84	7.41	7.41
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A024

Deuteranopia (green-blind)

#A59542

Tritanopia (blue-blind)

#00AC98

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #21b136;
/* rgb */ color: rgb(33, 177, 54);
/* oklch */ color: oklch(66.4% 0.200 144.6);

Tailwind

colors: {
  custom: {
    50: '#78ca73',
    500: '#21b136',
    950: '#000000',
  },
}

SCSS

$custom: #21b136;
$custom-light: #78ca73;
$custom-dark: #000000;

JSON

{
  "hex": "#21b136",
  "rgb": {
    "r": 33,
    "g": 177,
    "b": 54
  },
  "hsl": {
    "h": 128.75,
    "s": 68.571,
    "l": 41.176
  },
  "oklch": {
    "l": 0.66441,
    "c": 0.19977,
    "h": 144.6
  },
  "luminance": 0.32034
}

Semantic roles & 50–950 ramp

primary

#21B136

secondary

#C965BA

accent

#3CD2EB

background

#F8FCF7

surface

#EFF8ED

border

#CAD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B136

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

Preview Lab → · Contrast checker → · Palette generator →