#63B436#63B436

#63B436 is a light, vivid yellow-green. Relative luminance 0.356; OKLCH L 69.3% C 0.178 H 136.5°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#63B436
RGB	rgb(99, 180, 54)
HSL	hsl(99, 54%, 46%)
HSV	hsv(99, 70%, 71%)
CMYK	cmyk(45%, 0%, 70%, 29.4%)
CIE-LAB	lab(66.18, -46.63, 53.97)
CIE-LCH	lch(66.18, 71.32, 130.82°)
OKLab	oklab(69.29% -0.1294 0.1226)
OKLCH	oklch(69.29% 0.178 136.5)
XYZ	xyz(22.1321, 35.5601, 9.1869)
Luminance	0.3556 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B436 #8736B4

analogous

#A2B436 #63B436 #36B448

triadic

#63B436 #3663B4 #B43663

tetradic

#63B436 #36A2B4 #8736B4 #B44836

square

#63B436 #36A2B4 #8736B4 #B44836

split-complementary

#63B436 #4836B4 #B436A2

monochromatic

#2F561A #498528 #63B436 #83CD5A #A6DC89

Accessibility & contrast

On white

2.59

#63B436 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#63B436 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B436

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B436	#FFFFFF	#000000	##000000
##63B436	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA522

Deuteranopia (green-blind)

#AF9E42

Tritanopia (blue-blind)

#5FAD9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b436;
/* rgb */ color: rgb(99, 180, 54);
/* oklch */ color: oklch(69.3% 0.178 136.5);

Tailwind

colors: {
  custom: {
    50: '#96cb74',
    500: '#63b436',
    950: '#000000',
  },
}

SCSS

$custom: #63b436;
$custom-light: #96cb74;
$custom-dark: #000000;

JSON

{
  "hex": "#63b436",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 54
  },
  "hsl": {
    "h": 98.571,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.69286,
    "c": 0.17828,
    "h": 136.5
  },
  "luminance": 0.35562
}

Semantic roles & 50–950 ramp

primary

#63B436

secondary

#AD80C6

accent

#4BDDA9

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B436

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

Preview Lab → · Contrast checker → · Palette generator →