#21A843#21A843

#21A843 is a light, vivid green. Relative luminance 0.287; OKLCH L 64.1% C 0.180 H 146.8°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#21A843
RGB	rgb(33, 168, 67)
HSL	hsl(135, 67%, 39%)
HSV	hsv(135, 80%, 66%)
CMYK	cmyk(80.4%, 0%, 60.1%, 34.1%)
CIE-LAB	lab(60.54, -55.93, 41.65)
CIE-LCH	lch(60.54, 69.73, 143.33°)
OKLab	oklab(64.13% -0.1504 0.0983)
OKLCH	oklch(64.13% 0.18 146.8)
XYZ	xyz(15.6417, 28.7319, 10.0305)
Luminance	0.2873 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A843 #A82186

analogous

#43A821 #21A843 #21A887

triadic

#21A843 #4321A8 #A84321

tetradic

#21A843 #2143A8 #A82186 #A88721

square

#21A843 #2143A8 #A82186 #A88721

split-complementary

#21A843 #8721A8 #A82143

monochromatic

#0D421A #17752F #21A843 #30D65A #63E083

Accessibility & contrast

On white

3.11

#21A843 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#21A843 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A843

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A843	#FFFFFF	#000000	##000000
##21A843	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9838

Deuteranopia (green-blind)

#9B8E4B

Tritanopia (blue-blind)

#00A492

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #21a843;
/* rgb */ color: rgb(33, 168, 67);
/* oklch */ color: oklch(64.1% 0.180 146.8);

Tailwind

colors: {
  custom: {
    50: '#75c37a',
    500: '#21a843',
    950: '#000000',
  },
}

SCSS

$custom: #21a843;
$custom-light: #75c37a;
$custom-dark: #000000;

JSON

{
  "hex": "#21a843",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 67
  },
  "hsl": {
    "h": 135.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64132,
    "c": 0.17972,
    "h": 146.8
  },
  "luminance": 0.28734
}

Semantic roles & 50–950 ramp

primary

#21A843

secondary

#C55FAC

accent

#3EBFEA

background

#F7FCF7

surface

#EEF8EE

border

#C9D1C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21A843

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

Preview Lab → · Contrast checker → · Palette generator →