#21BC58#21BC58

#21BC58 is a light, vivid green. Relative luminance 0.370; OKLCH L 69.8% C 0.186 H 149.2°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#21BC58
RGB	rgb(33, 188, 88)
HSL	hsl(141, 70%, 43%)
HSV	hsv(141, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 53.2%, 26.3%)
CIE-LAB	lab(67.27, -59.71, 39.60)
CIE-LCH	lch(67.27, 71.65, 146.45°)
OKLab	oklab(69.79% -0.1602 0.0953)
OKLCH	oklch(69.79% 0.186 149.2)
XYZ	xyz(20.3701, 36.9918, 15.2972)
Luminance	0.3699 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC58 #BC2185

analogous

#38BC21 #21BC58 #21BCA5

triadic

#21BC58 #5821BC #BC5821

tetradic

#21BC58 #2138BC #BC2185 #BCA521

square

#21BC58 #2138BC #BC2185 #BCA521

split-complementary

#21BC58 #A521BC #BC2138

monochromatic

#0F5427 #188840 #21BC58 #3DDD76 #71E69B

Accessibility & contrast

On white

2.50

#21BC58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.40

#21BC58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC58

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC58	#FFFFFF	#000000	##000000
##21BC58	1.00	2.50	8.40	8.40
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.40	21.00	1.00	1.00
##000000	8.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAB4F

Deuteranopia (green-blind)

#AD9F60

Tritanopia (blue-blind)

#00B8A5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc58;
/* rgb */ color: rgb(33, 188, 88);
/* oklch */ color: oklch(69.8% 0.186 149.2);

Tailwind

colors: {
  custom: {
    50: '#79d189',
    500: '#21bc58',
    950: '#000000',
  },
}

SCSS

$custom: #21bc58;
$custom-light: #79d189;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc58",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 88
  },
  "hsl": {
    "h": 141.29,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69792,
    "c": 0.18642,
    "h": 149.2
  },
  "luminance": 0.36994
}

Semantic roles & 50–950 ramp

primary

#21BC58

secondary

#CD6CAA

accent

#3BAEED

background

#F8FDF8

surface

#EFFAF0

border

#CAD3CB

text

#0B140C

muted

#7C837D

Preview Lab

Preview with #21BC58

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

Preview Lab → · Contrast checker → · Palette generator →