#63EF9C#63EF9C

#63EF9C is a very light, vivid green. Relative luminance 0.668; OKLCH L 85.5% C 0.169 H 154.4°. Best body text is #000000 at 14.36:1 contrast (WCAG AA passes).

Color values

HEX	#63EF9C
RGB	rgb(99, 239, 156)
HSL	hsl(144, 81%, 66%)
HSV	hsv(144, 59%, 94%)
CMYK	cmyk(58.6%, 0%, 34.7%, 6.3%)
CIE-LAB	lab(85.39, -56.18, 29.09)
CIE-LCH	lch(85.39, 63.26, 152.63°)
OKLab	oklab(85.47% -0.1524 0.0731)
OKLCH	oklch(85.47% 0.169 154.4)
XYZ	xyz(42.0094, 66.7819, 42.1224)
Luminance	0.6679 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EF9C #EF63B6

analogous

#70EF63 #63EF9C #63EFE2

triadic

#63EF9C #9C63EF #EF9C63

tetradic

#63EF9C #6370EF #EF63B6 #EFE263

square

#63EF9C #6370EF #EF63B6 #EFE263

split-complementary

#63EF9C #E263EF #EF6370

monochromatic

#14C45C #2BE979 #63EF9C #9BF5BF #D2FAE2

Accessibility & contrast

On white

1.46

#63EF9C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.36

#63EF9C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EF9C

14.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EF9C	#FFFFFF	#000000	##000000
##63EF9C	1.00	1.46	14.36	14.36
#FFFFFF	1.46	1.00	21.00	21.00
#000000	14.36	21.00	1.00	1.00
##000000	14.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFDD97

Deuteranopia (green-blind)

#DCD0A1

Tritanopia (blue-blind)

#31ECDA

Achromatopsia (no color)

#D5D5D5

Design tokens & code

CSS

--color: #63ef9c;
/* rgb */ color: rgb(99, 239, 156);
/* oklch */ color: oklch(85.5% 0.169 154.4);

Tailwind

colors: {
  custom: {
    50: '#9bf5b9',
    500: '#63ef9c',
    950: '#000000',
  },
}

SCSS

$custom: #63ef9c;
$custom-light: #9bf5b9;
$custom-dark: #000000;

JSON

{
  "hex": "#63ef9c",
  "rgb": {
    "r": 99,
    "g": 239,
    "b": 156
  },
  "hsl": {
    "h": 144.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.85468,
    "c": 0.16905,
    "h": 154.4
  },
  "luminance": 0.66786
}

Semantic roles & 50–950 ramp

primary

#63EF9C

secondary

#C13588

accent

#0887DE

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #63EF9C

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

Preview Lab → · Contrast checker → · Palette generator →