#63C440#63C440

#63C440 is a light, vivid green. Relative luminance 0.425; OKLCH L 73.4% C 0.192 H 138.6°. Best body text is #000000 at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#63C440
RGB	rgb(99, 196, 64)
HSL	hsl(104, 53%, 51%)
HSV	hsv(104, 67%, 77%)
CMYK	cmyk(49.5%, 0%, 67.3%, 23.1%)
CIE-LAB	lab(71.21, -52.14, 55.31)
CIE-LCH	lch(71.21, 76.01, 133.31°)
OKLab	oklab(73.44% -0.1437 0.1267)
OKLCH	oklch(73.44% 0.192 138.6)
XYZ	xyz(25.8100, 42.5008, 11.6929)
Luminance	0.4250 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C440 #A140C4

analogous

#A5C440 #63C440 #40C45F

triadic

#63C440 #4063C4 #C44063

tetradic

#63C440 #40A5C4 #A140C4 #C45F40

square

#63C440 #40A5C4 #A140C4 #C45F40

split-complementary

#63C440 #5F40C4 #C440A5

monochromatic

#346920 #4B982F #63C440 #89D26F #AFE19E

Accessibility & contrast

On white

2.21

#63C440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.50

#63C440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C440

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C440	#FFFFFF	#000000	##000000
##63C440	1.00	2.21	9.50	9.50
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.50	21.00	1.00	1.00
##000000	9.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB32E

Deuteranopia (green-blind)

#BDAB4C

Tritanopia (blue-blind)

#5BBDA9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #63c440;
/* rgb */ color: rgb(99, 196, 64);
/* oklch */ color: oklch(73.4% 0.192 138.6);

Tailwind

colors: {
  custom: {
    50: '#98d77b',
    500: '#63c440',
    950: '#000000',
  },
}

SCSS

$custom: #63c440;
$custom-light: #98d77b;
$custom-dark: #000000;

JSON

{
  "hex": "#63c440",
  "rgb": {
    "r": 99,
    "g": 196,
    "b": 64
  },
  "hsl": {
    "h": 104.091,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.73443,
    "c": 0.19157,
    "h": 138.6
  },
  "luminance": 0.42503
}

Semantic roles & 50–950 ramp

primary

#63C440

secondary

#BE93CD

accent

#4CDCB6

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E140A

muted

#7E837C

Preview Lab

Preview with #63C440

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

Preview Lab → · Contrast checker → · Palette generator →