#21B02B#21B02B

#21B02B is a light, highly saturated green. Relative luminance 0.315; OKLCH L 66.1% C 0.205 H 143.5°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#21B02B
RGB	rgb(33, 176, 43)
HSL	hsl(124, 68%, 41%)
HSV	hsv(124, 81%, 69%)
CMYK	cmyk(81.3%, 0%, 75.6%, 31%)
CIE-LAB	lab(62.97, -60.96, 54.16)
CIE-LCH	lch(62.97, 81.54, 138.38°)
OKLab	oklab(66.08% -0.165 0.1221)
OKLCH	oklch(66.08% 0.205 143.5)
XYZ	xyz(16.5875, 31.5464, 7.4999)
Luminance	0.3155 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B02B #B021A6

analogous

#5EB021 #21B02B #21B072

triadic

#21B02B #2B21B0 #B02B21

tetradic

#21B02B #215EB0 #B021A6 #B07221

square

#21B02B #215EB0 #B021A6 #B07221

split-complementary

#21B02B #7221B0 #B0215E

monochromatic

#0E4912 #177C1E #21B02B #35D941 #69E371

Accessibility & contrast

On white

2.87

#21B02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#21B02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B02B

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B02B	#FFFFFF	#000000	##000000
##21B02B	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F0E

Deuteranopia (green-blind)

#A4943A

Tritanopia (blue-blind)

#00AB97

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #21b02b;
/* rgb */ color: rgb(33, 176, 43);
/* oklch */ color: oklch(66.1% 0.205 143.5);

Tailwind

colors: {
  custom: {
    50: '#78c96e',
    500: '#21b02b',
    950: '#000000',
  },
}

SCSS

$custom: #21b02b;
$custom-light: #78c96e;
$custom-dark: #000000;

JSON

{
  "hex": "#21b02b",
  "rgb": {
    "r": 33,
    "g": 176,
    "b": 43
  },
  "hsl": {
    "h": 124.196,
    "s": 68.421,
    "l": 40.98
  },
  "oklch": {
    "l": 0.66081,
    "c": 0.20531,
    "h": 143.5
  },
  "luminance": 0.31548
}

Semantic roles & 50–950 ramp

primary

#21B02B

secondary

#C864C1

accent

#3DDFEB

background

#F8FCF6

surface

#EFF8EC

border

#CAD1C7

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B02B

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

Preview Lab → · Contrast checker → · Palette generator →