#63CA2D#63CA2D

#63CA2D is a light, highly saturated yellow-green. Relative luminance 0.451; OKLCH L 74.8% C 0.210 H 137.5°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#63CA2D
RGB	rgb(99, 202, 45)
HSL	hsl(99, 64%, 48%)
HSV	hsv(99, 78%, 79%)
CMYK	cmyk(51%, 0%, 77.7%, 20.8%)
CIE-LAB	lab(72.95, -55.76, 63.80)
CIE-LCH	lch(72.95, 84.74, 131.15°)
OKLab	oklab(74.83% -0.1546 0.1419)
OKLCH	oklch(74.83% 0.21 137.5)
XYZ	xyz(26.7389, 45.0812, 9.7747)
Luminance	0.4508 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63CA2D #942DCA

analogous

#B1CA2D #63CA2D #2DCA45

triadic

#63CA2D #2D63CA #CA2D63

tetradic

#63CA2D #2DB1CA #942DCA #CA452D

square

#63CA2D #2DB1CA #942DCA #CA452D

split-complementary

#63CA2D #452DCA #CA2DB1

monochromatic

#326617 #4A9822 #63CA2D #86DA5A #ABE58C

Accessibility & contrast

On white

2.10

#63CA2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#63CA2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63CA2D

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63CA2D	#FFFFFF	#000000	##000000
##63CA2D	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B800

Deuteranopia (green-blind)

#C3B03F

Tritanopia (blue-blind)

#5CC3AD

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #63ca2d;
/* rgb */ color: rgb(99, 202, 45);
/* oklch */ color: oklch(74.8% 0.210 137.5);

Tailwind

colors: {
  custom: {
    50: '#99db72',
    500: '#63ca2d',
    950: '#000000',
  },
}

SCSS

$custom: #63ca2d;
$custom-light: #99db72;
$custom-dark: #000000;

JSON

{
  "hex": "#63ca2d",
  "rgb": {
    "r": 99,
    "g": 202,
    "b": 45
  },
  "hsl": {
    "h": 99.363,
    "s": 63.563,
    "l": 48.431
  },
  "oklch": {
    "l": 0.74828,
    "c": 0.20989,
    "h": 137.5
  },
  "luminance": 0.45083
}

Semantic roles & 50–950 ramp

primary

#63CA2D

secondary

#B583CF

accent

#41E7AE

background

#FAFDF7

surface

#F3FBED

border

#CDD4C8

text

#0F1509

muted

#7F837B

Preview Lab

Preview with #63CA2D

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

Preview Lab → · Contrast checker → · Palette generator →