#63BC28#63BC28

#63BC28 is a light, vivid yellow-green. Relative luminance 0.388; OKLCH L 71.2% C 0.196 H 136.2°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#63BC28
RGB	rgb(99, 188, 40)
HSL	hsl(96, 65%, 45%)
HSV	hsv(96, 79%, 74%)
CMYK	cmyk(47.3%, 0%, 78.7%, 26.3%)
CIE-LAB	lab(68.58, -50.72, 61.20)
CIE-LCH	lch(68.58, 79.49, 129.65°)
OKLab	oklab(71.23% -0.1414 0.1358)
OKLCH	oklch(71.23% 0.196 136.2)
XYZ	xyz(23.5112, 38.7707, 8.2517)
Luminance	0.3877 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63BC28 #8128BC

analogous

#ADBC28 #63BC28 #28BC37

triadic

#63BC28 #2863BC #BC2863

tetradic

#63BC28 #28ADBC #8128BC #BC3728

square

#63BC28 #28ADBC #8128BC #BC3728

split-complementary

#63BC28 #3728BC #BC28AD

monochromatic

#2E5713 #488A1D #63BC28 #82D849 #A5E37B

Accessibility & contrast

On white

2.40

#63BC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#63BC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63BC28

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63BC28	#FFFFFF	#000000	##000000
##63BC28	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)

#B7A539

Tritanopia (blue-blind)

#5FB5A1

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #63bc28;
/* rgb */ color: rgb(99, 188, 40);
/* oklch */ color: oklch(71.2% 0.196 136.2);

Tailwind

colors: {
  custom: {
    50: '#98d16e',
    500: '#63bc28',
    950: '#000000',
  },
}

SCSS

$custom: #63bc28;
$custom-light: #98d16e;
$custom-dark: #000000;

JSON

{
  "hex": "#63bc28",
  "rgb": {
    "r": 99,
    "g": 188,
    "b": 40
  },
  "hsl": {
    "h": 96.081,
    "s": 64.912,
    "l": 44.706
  },
  "oklch": {
    "l": 0.71232,
    "c": 0.19599,
    "h": 136.2
  },
  "luminance": 0.38772
}

Semantic roles & 50–950 ramp

primary

#63BC28

secondary

#A975CB

accent

#40E8A5

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1408

muted

#7E827B

Preview Lab

Preview with #63BC28

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

Preview Lab → · Contrast checker → · Palette generator →