#63CA3B#63CA3B

#63CA3B is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.9% C 0.202 H 138.5°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#63CA3B
RGB	rgb(99, 202, 59)
HSL	hsl(103, 57%, 51%)
HSV	hsv(103, 71%, 79%)
CMYK	cmyk(51%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(73.03, -54.84, 59.13)
CIE-LCH	lch(73.03, 80.65, 132.84°)
OKLab	oklab(74.92% -0.1513 0.1341)
OKLCH	oklch(74.92% 0.202 138.5)
XYZ	xyz(27.0546, 45.2075, 11.4371)
Luminance	0.4521 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA3B #A23BCA

analogous

#AACA3B #63CA3B #3BCA5A

triadic

#63CA3B #3B63CA #CA3B63

tetradic

#63CA3B #3BAACA #A23BCA #CA5A3B

square

#63CA3B #3BAACA #A23BCA #CA5A3B

split-complementary

#63CA3B #5A3BCA #CA3BAA

monochromatic

#346D1E #4B9D2B #63CA3B #89D76B #B0E49B

Accessibility & contrast

On white

2.09

#63CA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#63CA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA3B

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA3B	#FFFFFF	#000000	##000000
##63CA3B	1.00	2.09	10.04	10.04
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.04	21.00	1.00	1.00
##000000	10.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B923

Deuteranopia (green-blind)

#C3B049

Tritanopia (blue-blind)

#5BC3AE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63ca3b;
/* rgb */ color: rgb(99, 202, 59);
/* oklch */ color: oklch(74.9% 0.202 138.5);

Tailwind

colors: {
  custom: {
    50: '#99db79',
    500: '#63ca3b',
    950: '#000000',
  },
}

SCSS

$custom: #63ca3b;
$custom-light: #99db79;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca3b",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 103.217,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74923,
    "c": 0.20216,
    "h": 138.5
  },
  "luminance": 0.45209
}

Semantic roles & 50–950 ramp

primary

#63CA3B

secondary

#BE91D0

accent

#47E1B6

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F150A

muted

#7E837C

Preview Lab

Preview with #63CA3B

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

Preview Lab → · Contrast checker → · Palette generator →