#63EC91#63EC91

#63EC91 is a very light, vivid green. Relative luminance 0.647; OKLCH L 84.5% C 0.175 H 151.8°. Best body text is #000000 at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#63EC91
RGB	rgb(99, 236, 145)
HSL	hsl(140, 78%, 66%)
HSV	hsv(140, 58%, 93%)
CMYK	cmyk(58.1%, 0%, 38.6%, 7.5%)
CIE-LAB	lab(84.32, -56.95, 33.22)
CIE-LCH	lch(84.32, 65.93, 149.75°)
OKLab	oklab(84.53% -0.1542 0.0827)
OKLCH	oklch(84.53% 0.175 151.8)
XYZ	xyz(40.2488, 64.6841, 37.1468)
Luminance	0.6469 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EC91 #EC63BE

analogous

#79EC63 #63EC91 #63ECD5

triadic

#63EC91 #9163EC #EC9163

tetradic

#63EC91 #6379EC #EC63BE #ECD563

square

#63EC91 #6379EC #EC63BE #ECD563

split-complementary

#63EC91 #D563EC #EC6379

monochromatic

#17BE4F #2CE56B #63EC91 #9AF3B7 #D0F9DE

Accessibility & contrast

On white

1.51

#63EC91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.94

#63EC91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EC91

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EC91	#FFFFFF	#000000	##000000
##63EC91	1.00	1.51	13.94	13.94
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.94	21.00	1.00	1.00
##000000	13.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDA8B

Deuteranopia (green-blind)

#DACD97

Tritanopia (blue-blind)

#3AE9D5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #63ec91;
/* rgb */ color: rgb(99, 236, 145);
/* oklch */ color: oklch(84.5% 0.175 151.8);

Tailwind

colors: {
  custom: {
    50: '#9bf3b2',
    500: '#63ec91',
    950: '#000000',
  },
}

SCSS

$custom: #63ec91;
$custom-light: #9bf3b2;
$custom-dark: #000000;

JSON

{
  "hex": "#63ec91",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 145
  },
  "hsl": {
    "h": 140.146,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.84528,
    "c": 0.17497,
    "h": 151.8
  },
  "luminance": 0.64688
}

Semantic roles & 50–950 ramp

primary

#63EC91

secondary

#BC378F

accent

#0B95DB

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0F1711

muted

#808581

Preview Lab

Preview with #63EC91

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

Preview Lab → · Contrast checker → · Palette generator →