#63C02B#63C02B

#63C02B is a light, vivid yellow-green. Relative luminance 0.405; OKLCH L 72.3% C 0.199 H 136.7°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#63C02B
RGB	rgb(99, 192, 43)
HSL	hsl(97, 63%, 46%)
HSV	hsv(97, 78%, 75%)
CMYK	cmyk(48.4%, 0%, 77.6%, 24.7%)
CIE-LAB	lab(69.84, -52.10, 61.47)
CIE-LCH	lch(69.84, 80.58, 130.28°)
OKLab	oklab(72.27% -0.1449 0.1368)
OKLCH	oklch(72.27% 0.199 136.7)
XYZ	xyz(24.4306, 40.5247, 8.8197)
Luminance	0.4053 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63C02B #882BC0

analogous

#ADC02B #63C02B #2BC03E

triadic

#63C02B #2B63C0 #C02B63

tetradic

#63C02B #2BADC0 #882BC0 #C03E2B

square

#63C02B #2BADC0 #882BC0 #C03E2B

split-complementary

#63C02B #3E2BC0 #C02BAD

monochromatic

#2F5C15 #498E20 #63C02B #83D850 #A7E382

Accessibility & contrast

On white

2.31

#63C02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#63C02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63C02B

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63C02B	#FFFFFF	#000000	##000000
##63C02B	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7AF00

Deuteranopia (green-blind)

#BBA83C

Tritanopia (blue-blind)

#5EB9A4

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #63c02b;
/* rgb */ color: rgb(99, 192, 43);
/* oklch */ color: oklch(72.3% 0.199 136.7);

Tailwind

colors: {
  custom: {
    50: '#98d470',
    500: '#63c02b',
    950: '#000000',
  },
}

SCSS

$custom: #63c02b;
$custom-light: #98d470;
$custom-dark: #000000;

JSON

{
  "hex": "#63c02b",
  "rgb": {
    "r": 99,
    "g": 192,
    "b": 43
  },
  "hsl": {
    "h": 97.45,
    "s": 63.404,
    "l": 46.078
  },
  "oklch": {
    "l": 0.7227,
    "c": 0.19924,
    "h": 136.7
  },
  "luminance": 0.40526
}

Semantic roles & 50–950 ramp

primary

#63C02B

secondary

#AD7BCC

accent

#41E6A8

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0F1408

muted

#7E837B

Preview Lab

Preview with #63C02B

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

Preview Lab → · Contrast checker → · Palette generator →