#21CA3B#21CA3B

#21CA3B is a light, highly saturated green. Relative luminance 0.429; OKLCH L 73.2% C 0.224 H 144.5°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#21CA3B
RGB	rgb(33, 202, 59)
HSL	hsl(129, 72%, 46%)
HSV	hsv(129, 84%, 79%)
CMYK	cmyk(83.7%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(71.47, -67.57, 57.03)
CIE-LCH	lch(71.47, 88.42, 139.83°)
OKLab	oklab(73.19% -0.1824 0.1301)
OKLCH	oklch(73.19% 0.224 144.5)
XYZ	xyz(22.5355, 42.8773, 11.2253)
Luminance	0.4288 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21CA3B #CA21B0

analogous

#5BCA21 #21CA3B #21CA8F

triadic

#21CA3B #3B21CA #CA3B21

tetradic

#21CA3B #215BCA #CA21B0 #CA8F21

square

#21CA3B #215BCA #CA21B0 #CA8F21

split-complementary

#21CA3B #8F21CA #CA215B

monochromatic

#10611C #18952C #21CA3B #47E15F #7CEA8D

Accessibility & contrast

On white

2.19

#21CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#21CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21CA3B

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21CA3B	#FFFFFF	#000000	##000000
##21CA3B	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB624

Deuteranopia (green-blind)

#BCAA4A

Tritanopia (blue-blind)

#00C4AE

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #21ca3b;
/* rgb */ color: rgb(33, 202, 59);
/* oklch */ color: oklch(73.2% 0.224 144.5);

Tailwind

colors: {
  custom: {
    50: '#7edc79',
    500: '#21ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #21ca3b;
$custom-light: #7edc79;
$custom-dark: #000000;

JSON

{
  "hex": "#21ca3b",
  "rgb": {
    "r": 33,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 129.231,
    "s": 71.915,
    "l": 46.078
  },
  "oklch": {
    "l": 0.73193,
    "c": 0.22403,
    "h": 144.5
  },
  "luminance": 0.4288
}

Semantic roles & 50–950 ramp

primary

#21CA3B

secondary

#D275C3

accent

#39D3EF

background

#F8FDF7

surface

#F0FBEE

border

#CBD4C9

text

#0C150A

muted

#7D837C

Preview Lab

Preview with #21CA3B

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

Preview Lab → · Contrast checker → · Palette generator →