#21B239#21B239

#21B239 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.7% C 0.199 H 144.9°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#21B239
RGB	rgb(33, 178, 57)
HSL	hsl(130, 69%, 41%)
HSV	hsv(130, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 68%, 30.2%)
CIE-LAB	lab(63.72, -60.34, 49.61)
CIE-LCH	lch(63.72, 78.11, 140.57°)
OKLab	oklab(66.74% -0.1628 0.1143)
OKLCH	oklch(66.74% 0.199 144.9)
XYZ	xyz(17.2849, 32.4574, 9.2240)
Luminance	0.3246 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B239 #B2219A

analogous

#52B221 #21B239 #21B282

triadic

#21B239 #3921B2 #B23921

tetradic

#21B239 #2152B2 #B2219A #B28221

square

#21B239 #2152B2 #B2219A #B28221

split-complementary

#21B239 #8221B2 #B22152

monochromatic

#0E4B18 #177E28 #21B239 #36DA51 #6AE37E

Accessibility & contrast

On white

2.80

#21B239 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#21B239 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B239

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B239	#FFFFFF	#000000	##000000
##21B239	1.00	2.80	7.49	7.49
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.49	21.00	1.00	1.00
##000000	7.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A128

Deuteranopia (green-blind)

#A69644

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b239;
/* rgb */ color: rgb(33, 178, 57);
/* oklch */ color: oklch(66.7% 0.199 144.9);

Tailwind

colors: {
  custom: {
    50: '#78ca75',
    500: '#21b239',
    950: '#000000',
  },
}

SCSS

$custom: #21b239;
$custom-light: #78ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#21b239",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 57
  },
  "hsl": {
    "h": 129.931,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66739,
    "c": 0.1989,
    "h": 144.9
  },
  "luminance": 0.3246
}

Semantic roles & 50–950 ramp

primary

#21B239

secondary

#C966B9

accent

#3CCFEC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B239

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

Preview Lab → · Contrast checker → · Palette generator →