#63B429#63B429

#63B429 is a light, vivid yellow-green. Relative luminance 0.355; OKLCH L 69.2% C 0.186 H 135.5°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#63B429
RGB	rgb(99, 180, 41)
HSL	hsl(95, 63%, 43%)
HSV	hsv(95, 77%, 71%)
CMYK	cmyk(45%, 0%, 77.2%, 29.4%)
CIE-LAB	lab(66.10, -47.51, 58.53)
CIE-LCH	lch(66.10, 75.38, 129.07°)
OKLab	oklab(69.19% -0.1327 0.1303)
OKLCH	oklch(69.19% 0.186 135.5)
XYZ	xyz(21.8666, 35.4539, 7.7885)
Luminance	0.3545 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B429 #7A29B4

analogous

#A8B429 #63B429 #29B434

triadic

#63B429 #2963B4 #B42963

tetradic

#63B429 #29A8B4 #7A29B4 #B43429

square

#63B429 #29A8B4 #7A29B4 #B43429

split-complementary

#63B429 #3429B4 #B429A8

monochromatic

#2C5012 #48821E #63B429 #81D545 #A3E077

Accessibility & contrast

On white

2.60

#63B429 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#63B429 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B429

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B429	#FFFFFF	#000000	##000000
##63B429	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA503

Deuteranopia (green-blind)

#B09E38

Tritanopia (blue-blind)

#60AD9A

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b429;
/* rgb */ color: rgb(99, 180, 41);
/* oklch */ color: oklch(69.2% 0.186 135.5);

Tailwind

colors: {
  custom: {
    50: '#97cb6e',
    500: '#63b429',
    950: '#000000',
  },
}

SCSS

$custom: #63b429;
$custom-light: #97cb6e;
$custom-dark: #000000;

JSON

{
  "hex": "#63b429",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 41
  },
  "hsl": {
    "h": 94.964,
    "s": 62.896,
    "l": 43.333
  },
  "oklch": {
    "l": 0.69193,
    "c": 0.18596,
    "h": 135.5
  },
  "luminance": 0.35455
}

Semantic roles & 50–950 ramp

primary

#63B429

secondary

#A471C8

accent

#42E6A1

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B429

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

Preview Lab → · Contrast checker → · Palette generator →