#21BC5A#21BC5A

#21BC5A is a light, vivid green. Relative luminance 0.370; OKLCH L 69.8% C 0.185 H 149.7°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#21BC5A
RGB	rgb(33, 188, 90)
HSL	hsl(142, 70%, 43%)
HSV	hsv(142, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 52.1%, 26.3%)
CIE-LAB	lab(67.30, -59.41, 38.65)
CIE-LCH	lch(67.30, 70.87, 146.95°)
OKLab	oklab(69.82% -0.1594 0.0933)
OKLCH	oklch(69.82% 0.185 149.7)
XYZ	xyz(20.4541, 37.0254, 15.7395)
Luminance	0.3703 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC5A #BC2183

analogous

#35BC21 #21BC5A #21BCA8

triadic

#21BC5A #5A21BC #BC5A21

tetradic

#21BC5A #2135BC #BC2183 #BCA821

square

#21BC5A #2135BC #BC2183 #BCA821

split-complementary

#21BC5A #A821BC #BC2135

monochromatic

#0F5428 #188841 #21BC5A #3DDD78 #71E69C

Accessibility & contrast

On white

2.50

#21BC5A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.41

#21BC5A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC5A

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC5A	#FFFFFF	#000000	##000000
##21BC5A	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)

#BDAB51

Deuteranopia (green-blind)

#AC9F61

Tritanopia (blue-blind)

#00B8A6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc5a;
/* rgb */ color: rgb(33, 188, 90);
/* oklch */ color: oklch(69.8% 0.185 149.7);

Tailwind

colors: {
  custom: {
    50: '#79d18b',
    500: '#21bc5a',
    950: '#000000',
  },
}

SCSS

$custom: #21bc5a;
$custom-light: #79d18b;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc5a",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 90
  },
  "hsl": {
    "h": 142.065,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69821,
    "c": 0.18469,
    "h": 149.7
  },
  "luminance": 0.37028
}

Semantic roles & 50–950 ramp

primary

#21BC5A

secondary

#CD6CA9

accent

#3BABED

background

#F8FDF8

surface

#EFFAF0

border

#CAD3CB

text

#0B140C

muted

#7C837D

Preview Lab

Preview with #21BC5A

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

Preview Lab → · Contrast checker → · Palette generator →