#21B436#21B436

#21B436 is a light, highly saturated green. Relative luminance 0.332; OKLCH L 67.3% C 0.203 H 144.5°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#21B436
RGB	rgb(33, 180, 54)
HSL	hsl(129, 69%, 42%)
HSV	hsv(129, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 70%, 29.4%)
CIE-LAB	lab(64.35, -61.26, 51.49)
CIE-LCH	lch(64.35, 80.03, 139.95°)
OKLab	oklab(67.25% -0.1654 0.1179)
OKLCH	oklch(67.25% 0.203 144.5)
XYZ	xyz(17.6131, 33.2300, 8.9751)
Luminance	0.3323 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B436 #B4219F

analogous

#56B421 #21B436 #21B47F

triadic

#21B436 #3621B4 #B43621

tetradic

#21B436 #2156B4 #B4219F #B47F21

square

#21B436 #2156B4 #B4219F #B47F21

split-complementary

#21B436 #7F21B4 #B42156

monochromatic

#0E4D17 #188026 #21B436 #38DA4F #6BE47D

Accessibility & contrast

On white

2.75

#21B436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#21B436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B436

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B436	#FFFFFF	#000000	##000000
##21B436	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A323

Deuteranopia (green-blind)

#A89842

Tritanopia (blue-blind)

#00AF9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b436;
/* rgb */ color: rgb(33, 180, 54);
/* oklch */ color: oklch(67.3% 0.203 144.5);

Tailwind

colors: {
  custom: {
    50: '#78cc74',
    500: '#21b436',
    950: '#000000',
  },
}

SCSS

$custom: #21b436;
$custom-light: #78cc74;
$custom-dark: #000000;

JSON

{
  "hex": "#21b436",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 128.571,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67254,
    "c": 0.20313,
    "h": 144.5
  },
  "luminance": 0.33232
}

Semantic roles & 50–950 ramp

primary

#21B436

secondary

#CA67BC

accent

#3CD3EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B436

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

Preview Lab → · Contrast checker → · Palette generator →