#63B328#63B328

#63B328 is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.9% C 0.185 H 135.4°. Best body text is #000000 at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#63B328
RGB	rgb(99, 179, 40)
HSL	hsl(95, 63%, 43%)
HSV	hsv(95, 78%, 70%)
CMYK	cmyk(44.7%, 0%, 77.7%, 29.8%)
CIE-LAB	lab(65.78, -47.17, 58.55)
CIE-LCH	lch(65.78, 75.18, 128.85°)
OKLab	oklab(68.93% -0.1318 0.1302)
OKLCH	oklch(68.93% 0.185 135.4)
XYZ	xyz(21.6482, 35.0448, 7.6307)
Luminance	0.3505 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B328 #7828B3

analogous

#A8B328 #63B328 #28B332

triadic

#63B328 #2863B3 #B32863

tetradic

#63B328 #28A8B3 #7828B3 #B33228

square

#63B328 #28A8B3 #7828B3 #B33228

split-complementary

#63B328 #3228B3 #B328A8

monochromatic

#2C4F12 #47811D #63B328 #81D543 #A3E075

Accessibility & contrast

On white

2.62

#63B328 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.01

#63B328 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B328

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B328	#FFFFFF	#000000	##000000
##63B328	1.00	2.62	8.01	8.01
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.01	21.00	1.00	1.00
##000000	8.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA400

Deuteranopia (green-blind)

#AF9D37

Tritanopia (blue-blind)

#61AC99

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b328;
/* rgb */ color: rgb(99, 179, 40);
/* oklch */ color: oklch(68.9% 0.185 135.4);

Tailwind

colors: {
  custom: {
    50: '#96ca6d',
    500: '#63b328',
    950: '#000000',
  },
}

SCSS

$custom: #63b328;
$custom-light: #96ca6d;
$custom-dark: #000000;

JSON

{
  "hex": "#63b328",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 40
  },
  "hsl": {
    "h": 94.532,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.68931,
    "c": 0.18527,
    "h": 135.4
  },
  "luminance": 0.35046
}

Semantic roles & 50–950 ramp

primary

#63B328

secondary

#A26FC8

accent

#41E6A0

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B328

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

Preview Lab → · Contrast checker → · Palette generator →