#63E181#63E181

#63E181 is a light, vivid green. Relative luminance 0.581; OKLCH L 81.5% C 0.175 H 148.9°. Best body text is #000000 at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#63E181
RGB	rgb(99, 225, 129)
HSL	hsl(134, 68%, 64%)
HSV	hsv(134, 56%, 88%)
CMYK	cmyk(56%, 0%, 42.7%, 11.8%)
CIE-LAB	lab(80.79, -55.31, 36.62)
CIE-LCH	lch(80.79, 66.34, 146.50°)
OKLab	oklab(81.55% -0.1497 0.0902)
OKLCH	oklch(81.55% 0.175 148.9)
XYZ	xyz(36.0308, 58.0848, 30.0774)
Luminance	0.5809 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E181 #E163C3

analogous

#84E163 #63E181 #63E1C0

triadic

#63E181 #8163E1 #E18163

tetradic

#63E181 #6384E1 #E163C3 #E1C063

square

#63E181 #6384E1 #E163C3 #E1C063

split-complementary

#63E181 #C063E1 #E16384

monochromatic

#21A941 #30D758 #63E181 #96EBAA #CAF5D4

Accessibility & contrast

On white

1.66

#63E181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.62

#63E181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E181

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E181	#FFFFFF	#000000	##000000
##63E181	1.00	1.66	12.62	12.62
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.62	21.00	1.00	1.00
##000000	12.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D07A

Deuteranopia (green-blind)

#D2C487

Tritanopia (blue-blind)

#45DDCA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #63e181;
/* rgb */ color: rgb(99, 225, 129);
/* oklch */ color: oklch(81.5% 0.175 148.9);

Tailwind

colors: {
  custom: {
    50: '#99eba7',
    500: '#63e181',
    950: '#000000',
  },
}

SCSS

$custom: #63e181;
$custom-light: #99eba7;
$custom-dark: #000000;

JSON

{
  "hex": "#63e181",
  "rgb": {
    "r": 99,
    "g": 225,
    "b": 129
  },
  "hsl": {
    "h": 134.286,
    "s": 67.742,
    "l": 63.529
  },
  "oklch": {
    "l": 0.81546,
    "c": 0.17481,
    "h": 148.9
  },
  "luminance": 0.58088
}

Semantic roles & 50–950 ramp

primary

#63E181

secondary

#AB3D91

accent

#16A3D0

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0F160F

muted

#808580

Preview Lab

Preview with #63E181

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

Preview Lab → · Contrast checker → · Palette generator →