#63CA39#63CA39

#63CA39 is a light, highly saturated green. Relative luminance 0.452; OKLCH L 74.9% C 0.203 H 138.3°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#63CA39
RGB	rgb(99, 202, 57)
HSL	hsl(103, 58%, 51%)
HSV	hsv(103, 72%, 79%)
CMYK	cmyk(51%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(73.01, -54.99, 59.85)
CIE-LCH	lch(73.01, 81.27, 132.57°)
OKLab	oklab(74.91% -0.1518 0.1353)
OKLCH	oklch(74.91% 0.203 138.3)
XYZ	xyz(27.0037, 45.1871, 11.1691)
Luminance	0.4519 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA39 #A039CA

analogous

#ABCA39 #63CA39 #39CA57

triadic

#63CA39 #3963CA #CA3963

tetradic

#63CA39 #39ABCA #A039CA #CA5739

square

#63CA39 #39ABCA #A039CA #CA5739

split-complementary

#63CA39 #5739CA #CA39AB

monochromatic

#346C1D #4B9C2A #63CA39 #89D769 #AFE49A

Accessibility & contrast

On white

2.09

#63CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.04

#63CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA39

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA39	#FFFFFF	#000000	##000000
##63CA39	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)

#D0B920

Deuteranopia (green-blind)

#C3B047

Tritanopia (blue-blind)

#5BC3AE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63ca39;
/* rgb */ color: rgb(99, 202, 57);
/* oklch */ color: oklch(74.9% 0.203 138.3);

Tailwind

colors: {
  custom: {
    50: '#99db78',
    500: '#63ca39',
    950: '#000000',
  },
}

SCSS

$custom: #63ca39;
$custom-light: #99db78;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca39",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 102.621,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.74907,
    "c": 0.20337,
    "h": 138.3
  },
  "luminance": 0.45189
}

Semantic roles & 50–950 ramp

primary

#63CA39

secondary

#BD8FD0

accent

#47E1B4

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0F1509

muted

#7E837B

Preview Lab

Preview with #63CA39

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

Preview Lab → · Contrast checker → · Palette generator →