#63B333#63B333

#63B333 is a light, vivid yellow-green. Relative luminance 0.351; OKLCH L 69.0% C 0.179 H 136.2°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#63B333
RGB	rgb(99, 179, 51)
HSL	hsl(98, 56%, 45%)
HSV	hsv(98, 72%, 70%)
CMYK	cmyk(44.7%, 0%, 71.5%, 29.8%)
CIE-LAB	lab(65.85, -46.45, 54.78)
CIE-LCH	lch(65.85, 71.82, 130.29°)
OKLab	oklab(69.01% -0.1291 0.1239)
OKLCH	oklch(69.01% 0.179 136.2)
XYZ	xyz(21.8626, 35.1305, 8.7602)
Luminance	0.3513 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B333 #8333B3

analogous

#A3B333 #63B333 #33B343

triadic

#63B333 #3363B3 #B33363

tetradic

#63B333 #33A3B3 #8333B3 #B34333

square

#63B333 #33A3B3 #8333B3 #B34333

split-complementary

#63B333 #4333B3 #B333A3

monochromatic

#2E5418 #498325 #63B333 #82CE55 #A5DC84

Accessibility & contrast

On white

2.62

#63B333 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.03

#63B333 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B333

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B333	#FFFFFF	#000000	##000000
##63B333	1.00	2.62	8.03	8.03
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.03	21.00	1.00	1.00
##000000	8.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A41E

Deuteranopia (green-blind)

#AF9E3F

Tritanopia (blue-blind)

#60AC9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b333;
/* rgb */ color: rgb(99, 179, 51);
/* oklch */ color: oklch(69.0% 0.179 136.2);

Tailwind

colors: {
  custom: {
    50: '#96ca72',
    500: '#63b333',
    950: '#000000',
  },
}

SCSS

$custom: #63b333;
$custom-light: #96ca72;
$custom-dark: #000000;

JSON

{
  "hex": "#63b333",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 51
  },
  "hsl": {
    "h": 97.5,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.69007,
    "c": 0.17897,
    "h": 136.2
  },
  "luminance": 0.35132
}

Semantic roles & 50–950 ramp

primary

#63B333

secondary

#AA7CC6

accent

#49DFA7

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B333

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

Preview Lab → · Contrast checker → · Palette generator →