#63CD3B#63CD3B

#63CD3B is a light, highly saturated green. Relative luminance 0.466; OKLCH L 75.7% C 0.206 H 138.6°. Best body text is #000000 at 10.33:1 contrast (WCAG AA passes).

Color values

HEX	#63CD3B
RGB	rgb(99, 205, 59)
HSL	hsl(104, 59%, 52%)
HSV	hsv(104, 71%, 80%)
CMYK	cmyk(51.7%, 0%, 71.2%, 19.6%)
CIE-LAB	lab(73.95, -55.96, 60.08)
CIE-LCH	lch(73.95, 82.10, 132.97°)
OKLab	oklab(75.68% -0.1543 0.1361)
OKLCH	oklch(75.68% 0.206 138.6)
XYZ	xyz(27.7653, 46.6289, 11.6740)
Luminance	0.4663 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CD3B #A53BCD

analogous

#ACCD3B #63CD3B #3BCD5C

triadic

#63CD3B #3B63CD #CD3B63

tetradic

#63CD3B #3BACCD #A53BCD #CD5C3B

square

#63CD3B #3BACCD #A53BCD #CD5C3B

split-complementary

#63CD3B #5C3BCD #CD3BAC

monochromatic

#34711D #4AA229 #63CD3B #8AD96C #B1E69D

Accessibility & contrast

On white

2.03

#63CD3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.33

#63CD3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CD3B

10.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CD3B	#FFFFFF	#000000	##000000
##63CD3B	1.00	2.03	10.33	10.33
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.33	21.00	1.00	1.00
##000000	10.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB22

Deuteranopia (green-blind)

#C5B249

Tritanopia (blue-blind)

#5AC6B0

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #63cd3b;
/* rgb */ color: rgb(99, 205, 59);
/* oklch */ color: oklch(75.7% 0.206 138.6);

Tailwind

colors: {
  custom: {
    50: '#99dd79',
    500: '#63cd3b',
    950: '#000000',
  },
}

SCSS

$custom: #63cd3b;
$custom-light: #99dd79;
$custom-dark: #000000;

JSON

{
  "hex": "#63cd3b",
  "rgb": {
    "r": 99,
    "g": 205,
    "b": 59
  },
  "hsl": {
    "h": 103.562,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.75683,
    "c": 0.20575,
    "h": 138.6
  },
  "luminance": 0.46631
}

Semantic roles & 50–950 ramp

primary

#63CD3B

secondary

#C092D2

accent

#45E3B7

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CD3B

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

Preview Lab → · Contrast checker → · Palette generator →