#21A840#21A840

#21A840 is a light, vivid green. Relative luminance 0.287; OKLCH L 64.1% C 0.182 H 146.3°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#21A840
RGB	rgb(33, 168, 64)
HSL	hsl(134, 67%, 39%)
HSV	hsv(134, 80%, 66%)
CMYK	cmyk(80.4%, 0%, 61.9%, 34.1%)
CIE-LAB	lab(60.51, -56.31, 43.00)
CIE-LCH	lch(60.51, 70.85, 142.63°)
OKLab	oklab(64.1% -0.1515 0.101)
OKLCH	oklch(64.1% 0.182 146.3)
XYZ	xyz(15.5541, 28.6969, 9.5688)
Luminance	0.2870 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21A840 #A82189

analogous

#45A821 #21A840 #21A884

triadic

#21A840 #4021A8 #A84021

tetradic

#21A840 #2145A8 #A82189 #A88421

square

#21A840 #2145A8 #A82189 #A88421

split-complementary

#21A840 #8421A8 #A82145

monochromatic

#0D4219 #17752D #21A840 #30D656 #63E080

Accessibility & contrast

On white

3.12

#21A840 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#21A840 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #21A840

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21A840	#FFFFFF	#000000	##000000
##21A840	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9835

Deuteranopia (green-blind)

#9C8E49

Tritanopia (blue-blind)

#00A492

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #21a840;
/* rgb */ color: rgb(33, 168, 64);
/* oklch */ color: oklch(64.1% 0.182 146.3);

Tailwind

colors: {
  custom: {
    50: '#75c379',
    500: '#21a840',
    950: '#000000',
  },
}

SCSS

$custom: #21a840;
$custom-light: #75c379;
$custom-dark: #000000;

JSON

{
  "hex": "#21a840",
  "rgb": {
    "r": 33,
    "g": 168,
    "b": 64
  },
  "hsl": {
    "h": 133.778,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.64096,
    "c": 0.18212,
    "h": 146.3
  },
  "luminance": 0.28699
}

Semantic roles & 50–950 ramp

primary

#21A840

secondary

#C55FAE

accent

#3EC2EA

background

#F7FCF7

surface

#EEF8ED

border

#C9D1C8

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21A840

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

Preview Lab → · Contrast checker → · Palette generator →