#63B338#63B338

#63B338 is a light, vivid yellow-green. Relative luminance 0.352; OKLCH L 69.0% C 0.176 H 136.6°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#63B338
RGB	rgb(99, 179, 56)
HSL	hsl(99, 52%, 46%)
HSV	hsv(99, 69%, 70%)
CMYK	cmyk(44.7%, 0%, 68.7%, 29.8%)
CIE-LAB	lab(65.89, -46.06, 52.88)
CIE-LCH	lch(65.89, 70.13, 131.06°)
OKLab	oklab(69.05% -0.1277 0.1206)
OKLCH	oklch(69.05% 0.176 136.6)
XYZ	xyz(21.9789, 35.1770, 9.3723)
Luminance	0.3518 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B338 #8838B3

analogous

#A0B338 #63B338 #38B34A

triadic

#63B338 #3863B3 #B33863

tetradic

#63B338 #38A0B3 #8838B3 #B34A38

square

#63B338 #38A0B3 #8838B3 #B34A38

split-complementary

#63B338 #4A38B3 #B338A0

monochromatic

#2F561B #498429 #63B338 #83CC5C #A7DB8B

Accessibility & contrast

On white

2.61

#63B338 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#63B338 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B338

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B338	#FFFFFF	#000000	##000000
##63B338	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A426

Deuteranopia (green-blind)

#AE9E43

Tritanopia (blue-blind)

#5FAD9A

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b338;
/* rgb */ color: rgb(99, 179, 56);
/* oklch */ color: oklch(69.0% 0.176 136.6);

Tailwind

colors: {
  custom: {
    50: '#96ca75',
    500: '#63b338',
    950: '#000000',
  },
}

SCSS

$custom: #63b338;
$custom-light: #96ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#63b338",
  "rgb": {
    "r": 99,
    "g": 179,
    "b": 56
  },
  "hsl": {
    "h": 99.024,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.69048,
    "c": 0.17567,
    "h": 136.6
  },
  "luminance": 0.35178
}

Semantic roles & 50–950 ramp

primary

#63B338

secondary

#AD82C5

accent

#4CDCAA

background

#F9FCF7

surface

#F2F8ED

border

#CCD1C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B338

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

Preview Lab → · Contrast checker → · Palette generator →