#63E591#63E591

#63E591 is a very light, vivid green. Relative luminance 0.607; OKLCH L 82.8% C 0.166 H 152.6°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#63E591
RGB	rgb(99, 229, 145)
HSL	hsl(141, 71%, 64%)
HSV	hsv(141, 57%, 90%)
CMYK	cmyk(56.8%, 0%, 36.7%, 10.2%)
CIE-LAB	lab(82.23, -54.20, 30.45)
CIE-LCH	lch(82.23, 62.17, 150.67°)
OKLab	oklab(82.82% -0.147 0.0761)
OKLCH	oklch(82.82% 0.166 152.6)
XYZ	xyz(38.2728, 60.7321, 36.4881)
Luminance	0.6074 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63E591 #E563B7

analogous

#76E563 #63E591 #63E5D2

triadic

#63E591 #9163E5 #E59163

tetradic

#63E591 #6376E5 #E563B7 #E5D263

square

#63E591 #6376E5 #E563B7 #E5D263

split-complementary

#63E591 #D263E5 #E56376

monochromatic

#1DB051 #2FDC6C #63E591 #97EEB6 #CCF6DB

Accessibility & contrast

On white

1.60

#63E591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#63E591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63E591

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63E591	#FFFFFF	#000000	##000000
##63E591	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5D48B

Deuteranopia (green-blind)

#D4C896

Tritanopia (blue-blind)

#3CE2D0

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #63e591;
/* rgb */ color: rgb(99, 229, 145);
/* oklch */ color: oklch(82.8% 0.166 152.6);

Tailwind

colors: {
  custom: {
    50: '#9aeeb2',
    500: '#63e591',
    950: '#000000',
  },
}

SCSS

$custom: #63e591;
$custom-light: #9aeeb2;
$custom-dark: #000000;

JSON

{
  "hex": "#63e591",
  "rgb": {
    "r": 99,
    "g": 229,
    "b": 145
  },
  "hsl": {
    "h": 141.231,
    "s": 71.429,
    "l": 64.314
  },
  "oklch": {
    "l": 0.82817,
    "c": 0.16551,
    "h": 152.6
  },
  "luminance": 0.60736
}

Semantic roles & 50–950 ramp

primary

#63E591

secondary

#B13B87

accent

#128FD3

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0F1611

muted

#808581

Preview Lab

Preview with #63E591

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

Preview Lab → · Contrast checker → · Palette generator →