#63CA37#63CA37

#63CA37 is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.9% C 0.205 H 138.1°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#63CA37
RGB	rgb(99, 202, 55)
HSL	hsl(102, 58%, 50%)
HSV	hsv(102, 73%, 79%)
CMYK	cmyk(51%, 0%, 72.8%, 20.8%)
CIE-LAB	lab(73.00, -55.13, 60.55)
CIE-LCH	lch(73.00, 81.89, 132.32°)
OKLab	oklab(74.89% -0.1523 0.1365)
OKLCH	oklch(74.89% 0.205 138.1)
XYZ	xyz(26.9548, 45.1675, 10.9115)
Luminance	0.4517 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA37 #9E37CA

analogous

#ACCA37 #63CA37 #37CA54

triadic

#63CA37 #3763CA #CA3763

tetradic

#63CA37 #37ACCA #9E37CA #CA5437

square

#63CA37 #37ACCA #9E37CA #CA5437

split-complementary

#63CA37 #5437CA #CA37AC

monochromatic

#346A1C #4B9B29 #63CA37 #89D767 #AEE498

Accessibility & contrast

On white

2.09

#63CA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#63CA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA37

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA37	#FFFFFF	#000000	##000000
##63CA37	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B91C

Deuteranopia (green-blind)

#C3B046

Tritanopia (blue-blind)

#5BC3AD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63ca37;
/* rgb */ color: rgb(99, 202, 55);
/* oklch */ color: oklch(74.9% 0.205 138.1);

Tailwind

colors: {
  custom: {
    50: '#99db77',
    500: '#63ca37',
    950: '#000000',
  },
}

SCSS

$custom: #63ca37;
$custom-light: #99db77;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca37",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 55
  },
  "hsl": {
    "h": 102.041,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.74893,
    "c": 0.20456,
    "h": 138.1
  },
  "luminance": 0.4517
}

Semantic roles & 50–950 ramp

primary

#63CA37

secondary

#BC8ECF

accent

#46E1B3

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F1509

muted

#7E837B

Preview Lab

Preview with #63CA37

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

Preview Lab → · Contrast checker → · Palette generator →