#63CD2C#63CD2C

#63CD2C is a light, highly saturated yellow-green. Relative luminance 0.465; OKLCH L 75.6% C 0.214 H 137.6°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#63CD2C
RGB	rgb(99, 205, 44)
HSL	hsl(100, 65%, 49%)
HSV	hsv(100, 79%, 80%)
CMYK	cmyk(51.7%, 0%, 78.5%, 19.6%)
CIE-LAB	lab(73.87, -56.93, 64.97)
CIE-LCH	lch(73.87, 86.39, 131.23°)
OKLab	oklab(75.58% -0.1578 0.1442)
OKLCH	oklch(75.58% 0.214 137.6)
XYZ	xyz(27.4306, 46.4951, 9.9114)
Luminance	0.4650 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CD2C #962CCD

analogous

#B4CD2C #63CD2C #2CCD46

triadic

#63CD2C #2C63CD #CD2C63

tetradic

#63CD2C #2CB4CD #962CCD #CD462C

square

#63CD2C #2CB4CD #962CCD #CD462C

split-complementary

#63CD2C #462CCD #CD2CB4

monochromatic

#326816 #4B9B21 #63CD2C #87DC5B #ACE78D

Accessibility & contrast

On white

2.04

#63CD2C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.30

#63CD2C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CD2C

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CD2C	#FFFFFF	#000000	##000000
##63CD2C	1.00	2.04	10.30	10.30
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.30	21.00	1.00	1.00
##000000	10.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BB00

Deuteranopia (green-blind)

#C6B23F

Tritanopia (blue-blind)

#5BC6AF

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63cd2c;
/* rgb */ color: rgb(99, 205, 44);
/* oklch */ color: oklch(75.6% 0.214 137.6);

Tailwind

colors: {
  custom: {
    50: '#9add72',
    500: '#63cd2c',
    950: '#000000',
  },
}

SCSS

$custom: #63cd2c;
$custom-light: #9add72;
$custom-dark: #000000;

JSON

{
  "hex": "#63cd2c",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 44
  },
  "hsl": {
    "h": 99.503,
    "s": 64.659,
    "l": 48.824
  },
  "oklch": {
    "l": 0.75584,
    "c": 0.21379,
    "h": 137.6
  },
  "luminance": 0.46497
}

Semantic roles & 50–950 ramp

primary

#63CD2C

secondary

#B784D1

accent

#40E8AE

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CD2C

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

Preview Lab → · Contrast checker → · Palette generator →