#21BC5C#21BC5C

#21BC5C is a light, vivid green. Relative luminance 0.371; OKLCH L 69.9% C 0.183 H 150.1°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#21BC5C
RGB	rgb(33, 188, 92)
HSL	hsl(143, 70%, 43%)
HSV	hsv(143, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 51.1%, 26.3%)
CIE-LAB	lab(67.32, -59.10, 37.69)
CIE-LCH	lch(67.32, 70.09, 147.47°)
OKLab	oklab(69.85% -0.1585 0.0913)
OKLCH	oklch(69.85% 0.183 150.1)
XYZ	xyz(20.5404, 37.0599, 16.1939)
Luminance	0.3706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC5C #BC2181

analogous

#33BC21 #21BC5C #21BCA9

triadic

#21BC5C #5C21BC #BC5C21

tetradic

#21BC5C #2133BC #BC2181 #BCA921

square

#21BC5C #2133BC #BC2181 #BCA921

split-complementary

#21BC5C #A921BC #BC2133

monochromatic

#0F5429 #188843 #21BC5C #3DDD7A #71E69E

Accessibility & contrast

On white

2.50

#21BC5C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#21BC5C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC5C

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC5C	#FFFFFF	#000000	##000000
##21BC5C	1.00	2.50	8.41	8.41
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.41	21.00	1.00	1.00
##000000	8.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB54

Deuteranopia (green-blind)

#AC9F63

Tritanopia (blue-blind)

#00B9A6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc5c;
/* rgb */ color: rgb(33, 188, 92);
/* oklch */ color: oklch(69.9% 0.183 150.1);

Tailwind

colors: {
  custom: {
    50: '#79d18c',
    500: '#21bc5c',
    950: '#000000',
  },
}

SCSS

$custom: #21bc5c;
$custom-light: #79d18c;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc5c",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 92
  },
  "hsl": {
    "h": 142.839,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69851,
    "c": 0.18295,
    "h": 150.1
  },
  "luminance": 0.37062
}

Semantic roles & 50–950 ramp

primary

#21BC5C

secondary

#CD6CA8

accent

#3BA9ED

background

#F8FDF8

surface

#EFFAF0

border

#CAD3CB

text

#0B140C

muted

#7C837D

Preview Lab

Preview with #21BC5C

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

Preview Lab → · Contrast checker → · Palette generator →