#63CF5B#63CF5B

#63CF5B is a light, vivid green. Relative luminance 0.480; OKLCH L 76.5% C 0.185 H 142.3°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#63CF5B
RGB	rgb(99, 207, 91)
HSL	hsl(116, 55%, 58%)
HSV	hsv(116, 56%, 81%)
CMYK	cmyk(52.2%, 0%, 56%, 18.8%)
CIE-LAB	lab(74.84, -53.63, 47.64)
CIE-LCH	lch(74.84, 71.74, 138.39°)
OKLab	oklab(76.51% -0.1462 0.113)
OKLCH	oklch(76.51% 0.185 142.3)
XYZ	xyz(29.3453, 48.0313, 17.6201)
Luminance	0.4803 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF5B #C75BCF

analogous

#9DCF5B #63CF5B #5BCF8D

triadic

#63CF5B #5B63CF #CF5B63

tetradic

#63CF5B #5B9DCF #C75BCF #CF8D5B

square

#63CF5B #5B9DCF #C75BCF #CF8D5B

split-complementary

#63CF5B #8D5BCF #CF5B9D

monochromatic

#2E8828 #3FB736 #63CF5B #90DD8A #BDEBBA

Accessibility & contrast

On white

1.98

#63CF5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#63CF5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF5B

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF5B	#FFFFFF	#000000	##000000
##63CF5B	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BE50

Deuteranopia (green-blind)

#C5B564

Tritanopia (blue-blind)

#55C9B5

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #63cf5b;
/* rgb */ color: rgb(99, 207, 91);
/* oklch */ color: oklch(76.5% 0.185 142.3);

Tailwind

colors: {
  custom: {
    50: '#98de8c',
    500: '#63cf5b',
    950: '#000000',
  },
}

SCSS

$custom: #63cf5b;
$custom-light: #98de8c;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf5b",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 91
  },
  "hsl": {
    "h": 115.862,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.76507,
    "c": 0.18474,
    "h": 142.3
  },
  "luminance": 0.48034
}

Semantic roles & 50–950 ramp

primary

#63CF5B

secondary

#D7ACDA

accent

#4ADED4

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0E150C

muted

#7E837D

Preview Lab

Preview with #63CF5B

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

Preview Lab → · Contrast checker → · Palette generator →