#83BC21#83BC21

#83BC21 is a light, vivid yellow-green. Relative luminance 0.409; OKLCH L 72.9% C 0.183 H 128.9°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#83BC21
RGB	rgb(131, 188, 33)
HSL	hsl(82, 70%, 43%)
HSV	hsv(82, 82%, 74%)
CMYK	cmyk(30.3%, 0%, 82.4%, 26.3%)
CIE-LAB	lab(70.11, -39.98, 65.12)
CIE-LCH	lch(70.11, 76.41, 121.55°)
OKLab	oklab(72.89% -0.1148 0.1423)
OKLCH	oklch(72.89% 0.183 128.9)
XYZ	xyz(27.6178, 40.9008, 7.8781)
Luminance	0.4090 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83BC21 #5A21BC

analogous

#BCA821 #83BC21 #35BC21

triadic

#83BC21 #2183BC #BC2183

tetradic

#83BC21 #21BCA8 #5A21BC #BC2135

square

#83BC21 #21BCA8 #5A21BC #BC2135

split-complementary

#83BC21 #2135BC #A821BC

monochromatic

#3A540F #5F8818 #83BC21 #A2DD3D #BBE671

Accessibility & contrast

On white

2.29

#83BC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#83BC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #83BC21

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83BC21	#FFFFFF	#000000	##000000
##83BC21	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE00

Deuteranopia (green-blind)

#BEAA33

Tritanopia (blue-blind)

#87B3A0

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #83bc21;
/* rgb */ color: rgb(131, 188, 33);
/* oklch */ color: oklch(72.9% 0.183 128.9);

Tailwind

colors: {
  custom: {
    50: '#acd06c',
    500: '#83bc21',
    950: '#000000',
  },
}

SCSS

$custom: #83bc21;
$custom-light: #acd06c;
$custom-dark: #000000;

JSON

{
  "hex": "#83bc21",
  "rgb": {
    "r": 131,
    "g": 188,
    "b": 33
  },
  "hsl": {
    "h": 82.065,
    "s": 70.136,
    "l": 43.333
  },
  "oklch": {
    "l": 0.72885,
    "c": 0.18284,
    "h": 128.9
  },
  "luminance": 0.40902
}

Semantic roles & 50–950 ramp

primary

#83BC21

secondary

#906CCD

accent

#3BED7C

background

#FBFCF6

surface

#F6F9EC

border

#D0D2C7

text

#111408

muted

#80827A

Preview Lab

Preview with #83BC21

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

Preview Lab → · Contrast checker → · Palette generator →