#63EC5B#63EC5B

#63EC5B is a very light, highly saturated green. Relative luminance 0.634; OKLCH L 83.8% C 0.221 H 142.4°. Best body text is #000000 at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#63EC5B
RGB	rgb(99, 236, 91)
HSL	hsl(117, 79%, 64%)
HSV	hsv(117, 61%, 93%)
CMYK	cmyk(58.1%, 0%, 61.4%, 7.5%)
CIE-LAB	lab(83.65, -64.35, 57.78)
CIE-LCH	lch(83.65, 86.49, 138.08°)
OKLab	oklab(83.76% -0.1752 0.1348)
OKLCH	oklch(83.76% 0.221 142.4)
XYZ	xyz(37.0274, 63.3955, 20.1808)
Luminance	0.6340 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63EC5B #E45BEC

analogous

#ABEC5B #63EC5B #5BEC9C

triadic

#63EC5B #5B63EC #EC5B63

tetradic

#63EC5B #5BABEC #E45BEC #EC9C5B

square

#63EC5B #5BABEC #E45BEC #EC9C5B

split-complementary

#63EC5B #9C5BEC #EC5BAB

monochromatic

#1EB715 #2FE624 #63EC5B #97F292 #CBF9C9

Accessibility & contrast

On white

1.54

#63EC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.68

#63EC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63EC5B

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63EC5B	#FFFFFF	#000000	##000000
##63EC5B	1.00	1.54	13.68	13.68
#FFFFFF	1.54	1.00	21.00	21.00
#000000	13.68	21.00	1.00	1.00
##000000	13.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F1D84A

Deuteranopia (green-blind)

#E0CC67

Tritanopia (blue-blind)

#4DE5CD

Achromatopsia (no color)

#D0D0D0

Design tokens & code

CSS

--color: #63ec5b;
/* rgb */ color: rgb(99, 236, 91);
/* oklch */ color: oklch(83.8% 0.221 142.4);

Tailwind

colors: {
  custom: {
    50: '#9cf38e',
    500: '#63ec5b',
    950: '#000000',
  },
}

SCSS

$custom: #63ec5b;
$custom-light: #9cf38e;
$custom-dark: #000000;

JSON

{
  "hex": "#63ec5b",
  "rgb": {
    "r": 99,
    "g": 236,
    "b": 91
  },
  "hsl": {
    "h": 116.69,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.83758,
    "c": 0.22108,
    "h": 142.4
  },
  "luminance": 0.63399
}

Semantic roles & 50–950 ramp

primary

#63EC5B

secondary

#B034B7

accent

#0ADCD0

background

#FCFFFC

surface

#F6FEF4

border

#D0D6CE

text

#0F170D

muted

#80857F

Preview Lab

Preview with #63EC5B

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

Preview Lab → · Contrast checker → · Palette generator →