#63B52B#63B52B

#63B52B is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.5% C 0.186 H 135.7°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#63B52B
RGB	rgb(99, 181, 43)
HSL	hsl(96, 62%, 44%)
HSV	hsv(96, 76%, 71%)
CMYK	cmyk(45.3%, 0%, 76.2%, 29%)
CIE-LAB	lab(66.42, -47.79, 58.19)
CIE-LCH	lch(66.42, 75.30, 129.40°)
OKLab	oklab(69.46% -0.1333 0.1299)
OKLCH	oklch(69.46% 0.186 135.7)
XYZ	xyz(22.1050, 35.8735, 8.0445)
Luminance	0.3588 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B52B #7D2BB5

analogous

#A8B52B #63B52B #2BB538

triadic

#63B52B #2B63B5 #B52B63

tetradic

#63B52B #2BA8B5 #7D2BB5 #B5382B

square

#63B52B #2BA8B5 #7D2BB5 #B5382B

split-complementary

#63B52B #382BB5 #B52BA8

monochromatic

#2D5214 #48841F #63B52B #82D449 #A4E07B

Accessibility & contrast

On white

2.57

#63B52B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#63B52B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B52B

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B52B	#FFFFFF	#000000	##000000
##63B52B	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA609

Deuteranopia (green-blind)

#B19F3A

Tritanopia (blue-blind)

#60AE9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b52b;
/* rgb */ color: rgb(99, 181, 43);
/* oklch */ color: oklch(69.5% 0.186 135.7);

Tailwind

colors: {
  custom: {
    50: '#97cc6f',
    500: '#63b52b',
    950: '#000000',
  },
}

SCSS

$custom: #63b52b;
$custom-light: #97cc6f;
$custom-dark: #000000;

JSON

{
  "hex": "#63b52b",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 43
  },
  "hsl": {
    "h": 95.652,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.69461,
    "c": 0.18611,
    "h": 135.7
  },
  "luminance": 0.35875
}

Semantic roles & 50–950 ramp

primary

#63B52B

secondary

#A674C8

accent

#43E5A3

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B52B

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

Preview Lab → · Contrast checker → · Palette generator →