#63C531#63C531

#63C531 is a light, highly saturated yellow-green. Relative luminance 0.428; OKLCH L 73.6% C 0.202 H 137.4°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#63C531
RGB	rgb(99, 197, 49)
HSL	hsl(100, 60%, 48%)
HSV	hsv(100, 75%, 77%)
CMYK	cmyk(49.7%, 0%, 75.1%, 22.7%)
CIE-LAB	lab(71.42, -53.64, 61.05)
CIE-LCH	lch(71.42, 81.27, 131.30°)
OKLab	oklab(73.58% -0.1487 0.1367)
OKLCH	oklch(73.58% 0.202 137.4)
XYZ	xyz(25.6654, 42.8051, 9.8149)
Luminance	0.4281 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C531 #9331C5

analogous

#ADC531 #63C531 #31C549

triadic

#63C531 #3163C5 #C53163

tetradic

#63C531 #31ADC5 #9331C5 #C54931

square

#63C531 #31ADC5 #9331C5 #C54931

split-complementary

#63C531 #4931C5 #C531AD

monochromatic

#326319 #4A9425 #63C531 #86D75D #AAE38E

Accessibility & contrast

On white

2.20

#63C531 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#63C531 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C531

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C531	#FFFFFF	#000000	##000000
##63C531	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBB40F

Deuteranopia (green-blind)

#BFAC41

Tritanopia (blue-blind)

#5DBEA9

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #63c531;
/* rgb */ color: rgb(99, 197, 49);
/* oklch */ color: oklch(73.6% 0.202 137.4);

Tailwind

colors: {
  custom: {
    50: '#98d774',
    500: '#63c531',
    950: '#000000',
  },
}

SCSS

$custom: #63c531;
$custom-light: #98d774;
$custom-dark: #000000;

JSON

{
  "hex": "#63c531",
  "rgb": {
    "r": 99,
    "g": 197,
    "b": 49
  },
  "hsl": {
    "h": 99.73,
    "s": 60.163,
    "l": 48.235
  },
  "oklch": {
    "l": 0.73581,
    "c": 0.20201,
    "h": 137.4
  },
  "luminance": 0.42807
}

Semantic roles & 50–950 ramp

primary

#63C531

secondary

#B585CD

accent

#44E3AE

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1409

muted

#7E837B

Preview Lab

Preview with #63C531

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

Preview Lab → · Contrast checker → · Palette generator →