#21B431#21B431

#21B431 is a light, highly saturated green. Relative luminance 0.332; OKLCH L 67.2% C 0.206 H 144.0°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#21B431
RGB	rgb(33, 180, 49)
HSL	hsl(127, 69%, 42%)
HSV	hsv(127, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(64.31, -61.71, 53.37)
CIE-LCH	lch(64.31, 81.59, 139.15°)
OKLab	oklab(67.21% -0.1668 0.1212)
OKLCH	oklch(67.21% 0.206 144)
XYZ	xyz(17.5016, 33.1855, 8.3882)
Luminance	0.3319 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B431 #B421A4

analogous

#5AB421 #21B431 #21B47B

triadic

#21B431 #3121B4 #B43121

tetradic

#21B431 #215AB4 #B421A4 #B47B21

square

#21B431 #215AB4 #B421A4 #B47B21

split-complementary

#21B431 #7B21B4 #B4215A

monochromatic

#0E4D15 #188023 #21B431 #38DA49 #6BE479

Accessibility & contrast

On white

2.75

#21B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#21B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B431

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B431	#FFFFFF	#000000	##000000
##21B431	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A21A

Deuteranopia (green-blind)

#A8983F

Tritanopia (blue-blind)

#00AF9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b431;
/* rgb */ color: rgb(33, 180, 49);
/* oklch */ color: oklch(67.2% 0.206 144.0);

Tailwind

colors: {
  custom: {
    50: '#79cc71',
    500: '#21b431',
    950: '#000000',
  },
}

SCSS

$custom: #21b431;
$custom-light: #79cc71;
$custom-dark: #000000;

JSON

{
  "hex": "#21b431",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 126.531,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67212,
    "c": 0.20622,
    "h": 144
  },
  "luminance": 0.33188
}

Semantic roles & 50–950 ramp

primary

#21B431

secondary

#CA67BF

accent

#3CD9EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B431

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

Preview Lab → · Contrast checker → · Palette generator →