#63BC27#63BC27

#63BC27 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.2% C 0.196 H 136.1°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#63BC27
RGB	rgb(99, 188, 39)
HSL	hsl(96, 66%, 45%)
HSV	hsv(96, 79%, 74%)
CMYK	cmyk(47.3%, 0%, 79.3%, 26.3%)
CIE-LAB	lab(68.58, -50.77, 61.49)
CIE-LCH	lch(68.58, 79.75, 129.55°)
OKLab	oklab(71.23% -0.1416 0.1362)
OKLCH	oklch(71.23% 0.196 136.1)
XYZ	xyz(23.4944, 38.7640, 8.1633)
Luminance	0.3877 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC27 #8027BC

analogous

#AEBC27 #63BC27 #27BC36

triadic

#63BC27 #2763BC #BC2763

tetradic

#63BC27 #27AEBC #8027BC #BC3627

square

#63BC27 #27AEBC #8027BC #BC3627

split-complementary

#63BC27 #3627BC #BC27AE

monochromatic

#2E5712 #48891C #63BC27 #82D947 #A4E37A

Accessibility & contrast

On white

2.40

#63BC27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#63BC27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC27

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC27	#FFFFFF	#000000	##000000
##63BC27	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC00

Deuteranopia (green-blind)

#B7A538

Tritanopia (blue-blind)

#5FB5A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc27;
/* rgb */ color: rgb(99, 188, 39);
/* oklch */ color: oklch(71.2% 0.196 136.1);

Tailwind

colors: {
  custom: {
    50: '#98d16e',
    500: '#63bc27',
    950: '#000000',
  },
}

SCSS

$custom: #63bc27;
$custom-light: #98d16e;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc27",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 39
  },
  "hsl": {
    "h": 95.839,
    "s": 65.639,
    "l": 44.51
  },
  "oklch": {
    "l": 0.71226,
    "c": 0.19646,
    "h": 136.1
  },
  "luminance": 0.38766
}

Semantic roles & 50–950 ramp

primary

#63BC27

secondary

#A873CB

accent

#3FE9A4

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63BC27

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

Preview Lab → · Contrast checker → · Palette generator →