#21B447#21B447

#21B447 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.4% C 0.191 H 146.8°. Best body text is #000000 at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#21B447
RGB	rgb(33, 180, 71)
HSL	hsl(136, 69%, 42%)
HSV	hsv(136, 82%, 71%)
CMYK	cmyk(81.7%, 0%, 60.6%, 29.4%)
CIE-LAB	lab(64.50, -59.40, 44.37)
CIE-LCH	lch(64.50, 74.14, 143.24°)
OKLab	oklab(67.43% -0.1597 0.1046)
OKLCH	oklch(67.43% 0.191 146.8)
XYZ	xyz(18.0844, 33.4186, 11.4573)
Luminance	0.3342 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B447 #B4218E

analogous

#45B421 #21B447 #21B491

triadic

#21B447 #4721B4 #B44721

tetradic

#21B447 #2145B4 #B4218E #B49121

square

#21B447 #2145B4 #B4218E #B49121

split-complementary

#21B447 #9121B4 #B42145

monochromatic

#0E4D1E #188033 #21B447 #38DA62 #6BE48B

Accessibility & contrast

On white

2.73

#21B447 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.68

#21B447 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B447

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B447	#FFFFFF	#000000	##000000
##21B447	1.00	2.73	7.68	7.68
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.68	21.00	1.00	1.00
##000000	7.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A33B

Deuteranopia (green-blind)

#A79850

Tritanopia (blue-blind)

#00B09C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #21b447;
/* rgb */ color: rgb(33, 180, 71);
/* oklch */ color: oklch(67.4% 0.191 146.8);

Tailwind

colors: {
  custom: {
    50: '#78cc7e',
    500: '#21b447',
    950: '#000000',
  },
}

SCSS

$custom: #21b447;
$custom-light: #78cc7e;
$custom-dark: #000000;

JSON

{
  "hex": "#21b447",
  "rgb": {
    "r": 33,
    "g": 180,
    "b": 71
  },
  "hsl": {
    "h": 135.51,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67428,
    "c": 0.19088,
    "h": 146.8
  },
  "luminance": 0.33421
}

Semantic roles & 50–950 ramp

primary

#21B447

secondary

#CA67B0

accent

#3CBEEC

background

#F8FCF7

surface

#EFF9EE

border

#CAD2C9

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #21B447

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

Preview Lab → · Contrast checker → · Palette generator →