#21BC53#21BC53

#21BC53 is a light, vivid green. Relative luminance 0.369; OKLCH L 69.7% C 0.191 H 148.3°. Best body text is #000000 at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#21BC53
RGB	rgb(33, 188, 83)
HSL	hsl(139, 70%, 43%)
HSV	hsv(139, 82%, 74%)
CMYK	cmyk(82.4%, 0%, 55.9%, 26.3%)
CIE-LAB	lab(67.21, -60.43, 41.94)
CIE-LCH	lch(67.21, 73.56, 145.24°)
OKLab	oklab(69.72% -0.1622 0.1002)
OKLCH	oklch(69.72% 0.191 148.3)
XYZ	xyz(20.1701, 36.9118, 14.2436)
Luminance	0.3691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21BC53 #BC218A

analogous

#3CBC21 #21BC53 #21BCA0

triadic

#21BC53 #5321BC #BC5321

tetradic

#21BC53 #213CBC #BC218A #BCA021

square

#21BC53 #213CBC #BC218A #BCA021

split-complementary

#21BC53 #A021BC #BC213C

monochromatic

#0F5425 #18883C #21BC53 #3DDD71 #71E697

Accessibility & contrast

On white

2.51

#21BC53 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.38

#21BC53 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #21BC53

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21BC53	#FFFFFF	#000000	##000000
##21BC53	1.00	2.51	8.38	8.38
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.38	21.00	1.00	1.00
##000000	8.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAB49

Deuteranopia (green-blind)

#AD9F5B

Tritanopia (blue-blind)

#00B8A5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #21bc53;
/* rgb */ color: rgb(33, 188, 83);
/* oklch */ color: oklch(69.7% 0.191 148.3);

Tailwind

colors: {
  custom: {
    50: '#79d186',
    500: '#21bc53',
    950: '#000000',
  },
}

SCSS

$custom: #21bc53;
$custom-light: #79d186;
$custom-dark: #000000;

JSON

{
  "hex": "#21bc53",
  "rgb": {
    "r": 33,
    "g": 188,
    "b": 83
  },
  "hsl": {
    "h": 139.355,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69723,
    "c": 0.19066,
    "h": 148.3
  },
  "luminance": 0.36914
}

Semantic roles & 50–950 ramp

primary

#21BC53

secondary

#CD6CAE

accent

#3BB3ED

background

#F8FDF8

surface

#EFFAEF

border

#CAD3CA

text

#0B140B

muted

#7C837C

Preview Lab

Preview with #21BC53

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

Preview Lab → · Contrast checker → · Palette generator →