#21B236#21B236

#21B236 is a light, highly saturated green. Relative luminance 0.324; OKLCH L 66.7% C 0.201 H 144.6°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#21B236
RGB	rgb(33, 178, 54)
HSL	hsl(129, 69%, 41%)
HSV	hsv(129, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 69.7%, 30.2%)
CIE-LAB	lab(63.70, -60.63, 50.80)
CIE-LCH	lch(63.70, 79.10, 140.04°)
OKLab	oklab(66.71% -0.1637 0.1165)
OKLCH	oklch(66.71% 0.201 144.6)
XYZ	xyz(17.2122, 32.4284, 8.8415)
Luminance	0.3243 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B236 #B2219D

analogous

#55B221 #21B236 #21B27F

triadic

#21B236 #3621B2 #B23621

tetradic

#21B236 #2155B2 #B2219D #B27F21

square

#21B236 #2155B2 #B2219D #B27F21

split-complementary

#21B236 #7F21B2 #B22155

monochromatic

#0E4B17 #177E26 #21B236 #36DA4E #6AE37C

Accessibility & contrast

On white

2.81

#21B236 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#21B236 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B236

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B236	#FFFFFF	#000000	##000000
##21B236	1.00	2.81	7.49	7.49
#FFFFFF	2.81	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)

#B5A124

Deuteranopia (green-blind)

#A69642

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b236;
/* rgb */ color: rgb(33, 178, 54);
/* oklch */ color: oklch(66.7% 0.201 144.6);

Tailwind

colors: {
  custom: {
    50: '#78ca74',
    500: '#21b236',
    950: '#000000',
  },
}

SCSS

$custom: #21b236;
$custom-light: #78ca74;
$custom-dark: #000000;

JSON

{
  "hex": "#21b236",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 54
  },
  "hsl": {
    "h": 128.69,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.66712,
    "c": 0.20089,
    "h": 144.6
  },
  "luminance": 0.3243
}

Semantic roles & 50–950 ramp

primary

#21B236

secondary

#C966BB

accent

#3CD2EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #21B236

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

Preview Lab → · Contrast checker → · Palette generator →