#63B535#63B535

#63B535 is a light, vivid yellow-green. Relative luminance 0.360; OKLCH L 69.5% C 0.180 H 136.5°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#63B535
RGB	rgb(99, 181, 53)
HSL	hsl(98, 55%, 46%)
HSV	hsv(98, 71%, 71%)
CMYK	cmyk(45.3%, 0%, 70.7%, 29%)
CIE-LAB	lab(66.49, -47.11, 54.67)
CIE-LCH	lch(66.49, 72.17, 130.75°)
OKLab	oklab(69.53% -0.1308 0.124)
OKLCH	oklch(69.53% 0.18 136.5)
XYZ	xyz(22.3114, 35.9560, 9.1320)
Luminance	0.3596 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B535 #8735B5

analogous

#A3B535 #63B535 #35B547

triadic

#63B535 #3563B5 #B53563

tetradic

#63B535 #35A3B5 #8735B5 #B54735

square

#63B535 #35A3B5 #8735B5 #B54735

split-complementary

#63B535 #4735B5 #B535A3

monochromatic

#2F5619 #498627 #63B535 #83CE59 #A6DC88

Accessibility & contrast

On white

2.56

#63B535 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#63B535 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B535

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B535	#FFFFFF	#000000	##000000
##63B535	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA620

Deuteranopia (green-blind)

#B09F41

Tritanopia (blue-blind)

#5FAE9C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63b535;
/* rgb */ color: rgb(99, 181, 53);
/* oklch */ color: oklch(69.5% 0.180 136.5);

Tailwind

colors: {
  custom: {
    50: '#96cc74',
    500: '#63b535',
    950: '#000000',
  },
}

SCSS

$custom: #63b535;
$custom-light: #96cc74;
$custom-dark: #000000;

JSON

{
  "hex": "#63b535",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 53
  },
  "hsl": {
    "h": 98.438,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69533,
    "c": 0.18019,
    "h": 136.5
  },
  "luminance": 0.35957
}

Semantic roles & 50–950 ramp

primary

#63B535

secondary

#AD80C6

accent

#4ADEA9

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B535

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

Preview Lab → · Contrast checker → · Palette generator →