#21BC55#21BC55

#21BC55 is a light, vivid green. Relative luminance 0.369; OKLCH L 69.8% C 0.189 H 148.7°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#21BC55
RGB	rgb(33, 188, 85)
HSL	hsl(140, 70%, 43%)
HSV	hsv(140, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 54.8%, 26.3%)
CIE-LAB	lab(67.23, -60.15, 41.01)
CIE-LCH	lch(67.23, 72.80, 145.71°)
OKLab	oklab(69.75% -0.1614 0.0983)
OKLCH	oklch(69.75% 0.189 148.7)
XYZ	xyz(20.2484, 36.9431, 14.6561)
Luminance	0.3695 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC55 #BC2188

analogous

#3ABC21 #21BC55 #21BCA2

triadic

#21BC55 #5521BC #BC5521

tetradic

#21BC55 #213ABC #BC2188 #BCA221

square

#21BC55 #213ABC #BC2188 #BCA221

split-complementary

#21BC55 #A221BC #BC213A

monochromatic

#0F5426 #18883D #21BC55 #3DDD73 #71E698

Accessibility & contrast

On white

2.50

#21BC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.39

#21BC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC55

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC55	#FFFFFF	#000000	##000000
##21BC55	1.00	2.50	8.39	8.39
#FFFFFF	2.50	1.00	21.00	21.00
#000000	8.39	21.00	1.00	1.00
##000000	8.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB4B

Deuteranopia (green-blind)

#AD9F5D

Tritanopia (blue-blind)

#00B8A5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc55;
/* rgb */ color: rgb(33, 188, 85);
/* oklch */ color: oklch(69.8% 0.189 148.7);

Tailwind

colors: {
  custom: {
    50: '#79d187',
    500: '#21bc55',
    950: '#000000',
  },
}

SCSS

$custom: #21bc55;
$custom-light: #79d187;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc55",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 85
  },
  "hsl": {
    "h": 140.129,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.6975,
    "c": 0.18898,
    "h": 148.7
  },
  "luminance": 0.36946
}

Semantic roles & 50–950 ramp

primary

#21BC55

secondary

#CD6CAC

accent

#3BB1ED

background

#F8FDF8

surface

#EFFAF0

border

#CAD3CB

text

#0B140B

muted

#7C837C

Preview Lab

Preview with #21BC55

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

Preview Lab → · Contrast checker → · Palette generator →