#21B231#21B231

#21B231 is a light, highly saturated green. Relative luminance 0.324; OKLCH L 66.7% C 0.204 H 144.0°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#21B231
RGB	rgb(33, 178, 49)
HSL	hsl(127, 69%, 41%)
HSV	hsv(127, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(63.66, -61.09, 52.70)
CIE-LCH	lch(63.66, 80.68, 139.22°)
OKLab	oklab(66.67% -0.1651 0.1198)
OKLCH	oklch(66.67% 0.204 144)
XYZ	xyz(17.1008, 32.3838, 8.2546)
Luminance	0.3239 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B231 #B221A2

analogous

#5AB221 #21B231 #21B27A

triadic

#21B231 #3121B2 #B23121

tetradic

#21B231 #215AB2 #B221A2 #B27A21

square

#21B231 #215AB2 #B221A2 #B27A21

split-complementary

#21B231 #7A21B2 #B2215A

monochromatic

#0E4B15 #177E23 #21B231 #36DA48 #6AE377

Accessibility & contrast

On white

2.81

#21B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#21B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B231

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B231	#FFFFFF	#000000	##000000
##21B231	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A11B

Deuteranopia (green-blind)

#A6963E

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b231;
/* rgb */ color: rgb(33, 178, 49);
/* oklch */ color: oklch(66.7% 0.204 144.0);

Tailwind

colors: {
  custom: {
    50: '#78ca71',
    500: '#21b231',
    950: '#000000',
  },
}

SCSS

$custom: #21b231;
$custom-light: #78ca71;
$custom-dark: #000000;

JSON

{
  "hex": "#21b231",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 126.621,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6667,
    "c": 0.20403,
    "h": 144
  },
  "luminance": 0.32386
}

Semantic roles & 50–950 ramp

primary

#21B231

secondary

#C966BE

accent

#3CD8EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B231

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

Preview Lab → · Contrast checker → · Palette generator →