#63CF3B#63CF3B

#63CF3B is a light, highly saturated green. Relative luminance 0.476; OKLCH L 76.2% C 0.208 H 138.7°. Best body text is #000000 at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#63CF3B
RGB	rgb(99, 207, 59)
HSL	hsl(104, 61%, 52%)
HSV	hsv(104, 71%, 81%)
CMYK	cmyk(52.2%, 0%, 71.5%, 18.8%)
CIE-LAB	lab(74.57, -56.71, 60.70)
CIE-LCH	lch(74.57, 83.07, 133.05°)
OKLab	oklab(76.19% -0.1563 0.1374)
OKLCH	oklch(76.19% 0.208 138.7)
XYZ	xyz(28.2468, 47.5919, 11.8345)
Luminance	0.4759 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CF3B #A73BCF

analogous

#ADCF3B #63CF3B #3BCF5D

triadic

#63CF3B #3B63CF #CF3B63

tetradic

#63CF3B #3BADCF #A73BCF #CF5D3B

square

#63CF3B #3BADCF #A73BCF #CF5D3B

split-complementary

#63CF3B #5D3BCF #CF3BAD

monochromatic

#34731C #4AA528 #63CF3B #8ADB6C #B1E79D

Accessibility & contrast

On white

2.00

#63CF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.52

#63CF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CF3B

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CF3B	#FFFFFF	#000000	##000000
##63CF3B	1.00	2.00	10.52	10.52
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.52	21.00	1.00	1.00
##000000	10.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD21

Deuteranopia (green-blind)

#C7B44A

Tritanopia (blue-blind)

#59C8B2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #63cf3b;
/* rgb */ color: rgb(99, 207, 59);
/* oklch */ color: oklch(76.2% 0.208 138.7);

Tailwind

colors: {
  custom: {
    50: '#99de7a',
    500: '#63cf3b',
    950: '#000000',
  },
}

SCSS

$custom: #63cf3b;
$custom-light: #99de7a;
$custom-dark: #000000;

JSON

{
  "hex": "#63cf3b",
  "rgb": {
    "r": 99,
    "g": 207,
    "b": 59
  },
  "hsl": {
    "h": 103.784,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.76189,
    "c": 0.20812,
    "h": 138.7
  },
  "luminance": 0.47594
}

Semantic roles & 50–950 ramp

primary

#63CF3B

secondary

#C293D3

accent

#44E4B9

background

#FAFDF7

surface

#F3FBEE

border

#CDD4C9

text

#0F150A

muted

#7F837C

Preview Lab

Preview with #63CF3B

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

Preview Lab → · Contrast checker → · Palette generator →