#21B238#21B238

#21B238 is a light, vivid green. Relative luminance 0.325; OKLCH L 66.7% C 0.200 H 144.8°. Best body text is #000000 at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#21B238
RGB	rgb(33, 178, 56)
HSL	hsl(130, 69%, 41%)
HSV	hsv(130, 81%, 70%)
CMYK	cmyk(81.5%, 0%, 68.5%, 30.2%)
CIE-LAB	lab(63.71, -60.44, 50.01)
CIE-LCH	lch(63.71, 78.45, 140.39°)
OKLab	oklab(66.73% -0.1631 0.1151)
OKLCH	oklch(66.73% 0.2 144.8)
XYZ	xyz(17.2602, 32.4475, 9.0939)
Luminance	0.3245 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21B238 #B2219B

analogous

#53B221 #21B238 #21B281

triadic

#21B238 #3821B2 #B23821

tetradic

#21B238 #2153B2 #B2219B #B28121

square

#21B238 #2153B2 #B2219B #B28121

split-complementary

#21B238 #8121B2 #B22153

monochromatic

#0E4B18 #177E28 #21B238 #36DA50 #6AE37D

Accessibility & contrast

On white

2.80

#21B238 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.49

#21B238 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21B238

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21B238	#FFFFFF	#000000	##000000
##21B238	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)

#B5A127

Deuteranopia (green-blind)

#A69644

Tritanopia (blue-blind)

#00AD99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #21b238;
/* rgb */ color: rgb(33, 178, 56);
/* oklch */ color: oklch(66.7% 0.200 144.8);

Tailwind

colors: {
  custom: {
    50: '#78ca75',
    500: '#21b238',
    950: '#000000',
  },
}

SCSS

$custom: #21b238;
$custom-light: #78ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#21b238",
  "rgb": {
    "r": 33,
    "g": 178,
    "b": 56
  },
  "hsl": {
    "h": 129.517,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6673,
    "c": 0.19957,
    "h": 144.8
  },
  "luminance": 0.3245
}

Semantic roles & 50–950 ramp

primary

#21B238

secondary

#C966B9

accent

#3CD0EC

background

#F8FCF7

surface

#EFF9ED

border

#CAD2C8

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #21B238

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

Preview Lab → · Contrast checker → · Palette generator →