#21AC40#21AC40

#21AC40 is a light, vivid green. Relative luminance 0.302; OKLCH L 65.2% C 0.187 H 146.1°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#21AC40
RGB	rgb(33, 172, 64)
HSL	hsl(133, 68%, 40%)
HSV	hsv(133, 81%, 67%)
CMYK	cmyk(80.8%, 0%, 62.8%, 32.5%)
CIE-LAB	lab(61.82, -57.63, 44.49)
CIE-LCH	lch(61.82, 72.81, 142.33°)
OKLab	oklab(65.18% -0.1551 0.1042)
OKLCH	oklch(65.18% 0.187 146.1)
XYZ	xyz(16.3039, 30.1966, 9.8187)
Luminance	0.3020 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21AC40 #AC218D

analogous

#48AC21 #21AC40 #21AC85

triadic

#21AC40 #4021AC #AC4021

tetradic

#21AC40 #2148AC #AC218D #AC8521

square

#21AC40 #2148AC #AC218D #AC8521

split-complementary

#21AC40 #8521AC #AC2148

monochromatic

#0D451A #17792D #21AC40 #32D857 #66E281

Accessibility & contrast

On white

2.98

#21AC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#21AC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21AC40

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21AC40	#FFFFFF	#000000	##000000
##21AC40	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9C34

Deuteranopia (green-blind)

#9F9149

Tritanopia (blue-blind)

#00A895

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #21ac40;
/* rgb */ color: rgb(33, 172, 64);
/* oklch */ color: oklch(65.2% 0.187 146.1);

Tailwind

colors: {
  custom: {
    50: '#76c679',
    500: '#21ac40',
    950: '#000000',
  },
}

SCSS

$custom: #21ac40;
$custom-light: #76c679;
$custom-dark: #000000;

JSON

{
  "hex": "#21ac40",
  "rgb": {
    "r": 33,
    "g": 172,
    "b": 64
  },
  "hsl": {
    "h": 133.381,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.65184,
    "c": 0.18687,
    "h": 146.1
  },
  "luminance": 0.30199
}

Semantic roles & 50–950 ramp

primary

#21AC40

secondary

#C762B0

accent

#3DC4EB

background

#F7FCF7

surface

#EEF8EE

border

#C9D1C9

text

#0A1309

muted

#7C827B

Preview Lab

Preview with #21AC40

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

Preview Lab → · Contrast checker → · Palette generator →