#63C03B#63C03B

#63C03B is a light, vivid green. Relative luminance 0.407; OKLCH L 72.4% C 0.190 H 137.9°. Best body text is #000000 at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#63C03B
RGB	rgb(99, 192, 59)
HSL	hsl(102, 53%, 49%)
HSV	hsv(102, 69%, 75%)
CMYK	cmyk(48.4%, 0%, 69.3%, 24.7%)
CIE-LAB	lab(69.94, -51.00, 55.94)
CIE-LCH	lch(69.94, 75.70, 132.36°)
OKLab	oklab(72.38% -0.1409 0.1274)
OKLCH	oklch(72.38% 0.19 137.9)
XYZ	xyz(24.7838, 40.6660, 10.6802)
Luminance	0.4067 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C03B #983BC0

analogous

#A6C03B #63C03B #3BC056

triadic

#63C03B #3B63C0 #C03B63

tetradic

#63C03B #3BA6C0 #983BC0 #C0563B

square

#63C03B #3BA6C0 #983BC0 #C0563B

split-complementary

#63C03B #563BC0 #C03BA6

monochromatic

#33621E #4B912D #63C03B #87D168 #ACDF97

Accessibility & contrast

On white

2.30

#63C03B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.13

#63C03B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C03B

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C03B	#FFFFFF	#000000	##000000
##63C03B	1.00	2.30	9.13	9.13
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.13	21.00	1.00	1.00
##000000	9.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B027

Deuteranopia (green-blind)

#BAA847

Tritanopia (blue-blind)

#5DB9A5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63c03b;
/* rgb */ color: rgb(99, 192, 59);
/* oklch */ color: oklch(72.4% 0.190 137.9);

Tailwind

colors: {
  custom: {
    50: '#97d478',
    500: '#63c03b',
    950: '#000000',
  },
}

SCSS

$custom: #63c03b;
$custom-light: #97d478;
$custom-dark: #000000;

JSON

{
  "hex": "#63c03b",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 59
  },
  "hsl": {
    "h": 101.955,
    "s": 52.988,
    "l": 49.216
  },
  "oklch": {
    "l": 0.72384,
    "c": 0.18998,
    "h": 137.9
  },
  "luminance": 0.40668
}

Semantic roles & 50–950 ramp

primary

#63C03B

secondary

#B88CCA

accent

#4BDCB1

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #63C03B

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

Preview Lab → · Contrast checker → · Palette generator →