#21CA38#21CA38

#21CA38 is a light, highly saturated green. Relative luminance 0.428; OKLCH L 73.2% C 0.226 H 144.2°. Best body text is #000000 at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#21CA38
RGB	rgb(33, 202, 56)
HSL	hsl(128, 72%, 46%)
HSV	hsv(128, 84%, 79%)
CMYK	cmyk(83.7%, 0%, 72.3%, 20.8%)
CIE-LAB	lab(71.45, -67.82, 58.12)
CIE-LCH	lch(71.45, 89.32, 139.41°)
OKLab	oklab(73.17% -0.1832 0.1321)
OKLCH	oklch(73.17% 0.226 144.2)
XYZ	xyz(22.4600, 42.8471, 10.8272)
Luminance	0.4285 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21CA38 #CA21B3

analogous

#5ECA21 #21CA38 #21CA8C

triadic

#21CA38 #3821CA #CA3821

tetradic

#21CA38 #215ECA #CA21B3 #CA8C21

square

#21CA38 #215ECA #CA21B3 #CA8C21

split-complementary

#21CA38 #8C21CA #CA215E

monochromatic

#10611B #189529 #21CA38 #47E15C #7CEA8B

Accessibility & contrast

On white

2.19

#21CA38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.57

#21CA38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21CA38

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21CA38	#FFFFFF	#000000	##000000
##21CA38	1.00	2.19	9.57	9.57
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.57	21.00	1.00	1.00
##000000	9.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB61E

Deuteranopia (green-blind)

#BCAA47

Tritanopia (blue-blind)

#00C4AD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #21ca38;
/* rgb */ color: rgb(33, 202, 56);
/* oklch */ color: oklch(73.2% 0.226 144.2);

Tailwind

colors: {
  custom: {
    50: '#7edc77',
    500: '#21ca38',
    950: '#000000',
  },
}

SCSS

$custom: #21ca38;
$custom-light: #7edc77;
$custom-dark: #000000;

JSON

{
  "hex": "#21ca38",
  "rgb": {
    "r": 33,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 128.166,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.73169,
    "c": 0.22581,
    "h": 144.2
  },
  "luminance": 0.4285
}

Semantic roles & 50–950 ramp

primary

#21CA38

secondary

#D275C5

accent

#39D6EF

background

#F8FDF7

surface

#F0FBEE

border

#CBD4C9

text

#0C1509

muted

#7D837B

Preview Lab

Preview with #21CA38

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

Preview Lab → · Contrast checker → · Palette generator →