#63D599#63D599

#63D599 is a light, vivid green. Relative luminance 0.525; OKLCH L 79.1% C 0.136 H 158.0°. Best body text is #000000 at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#63D599
RGB	rgb(99, 213, 153)
HSL	hsl(148, 58%, 61%)
HSV	hsv(148, 54%, 84%)
CMYK	cmyk(53.5%, 0%, 28.2%, 16.5%)
CIE-LAB	lab(77.60, -46.14, 20.02)
CIE-LCH	lch(77.60, 50.30, 156.54°)
OKLab	oklab(79.07% -0.1263 0.0509)
OKLCH	oklch(79.07% 0.136 158)
XYZ	xyz(34.6867, 52.5380, 38.4437)
Luminance	0.5254 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63D599 #D5639F

analogous

#66D563 #63D599 #63D5D2

triadic

#63D599 #9963D5 #D59963

tetradic

#63D599 #6366D5 #D5639F #D5D263

square

#63D599 #6366D5 #D5639F #D5D263

split-complementary

#63D599 #D263D5 #D56366

monochromatic

#28955C #35C67A #63D599 #93E2B9 #C3EFD8

Accessibility & contrast

On white

1.82

#63D599 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.51

#63D599 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63D599

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63D599	#FFFFFF	#000000	##000000
##63D599	1.00	1.82	11.51	11.51
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.51	21.00	1.00	1.00
##000000	11.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3C795

Deuteranopia (green-blind)

#C3BB9D

Tritanopia (blue-blind)

#3ED4C5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #63d599;
/* rgb */ color: rgb(99, 213, 153);
/* oklch */ color: oklch(79.1% 0.136 158.0);

Tailwind

colors: {
  custom: {
    50: '#97e2b7',
    500: '#63d599',
    950: '#000000',
  },
}

SCSS

$custom: #63d599;
$custom-light: #97e2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#63d599",
  "rgb": {
    "r": 99,
    "g": 213,
    "b": 153
  },
  "hsl": {
    "h": 148.421,
    "s": 57.576,
    "l": 61.176
  },
  "oklch": {
    "l": 0.79074,
    "c": 0.13619,
    "h": 158
  },
  "luminance": 0.52541
}

Semantic roles & 50–950 ramp

primary

#63D599

secondary

#9A4270

accent

#2077C5

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1511

muted

#7F8481

Preview Lab

Preview with #63D599

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

Preview Lab → · Contrast checker → · Palette generator →