#63B529#63B529

#63B529 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.4% C 0.187 H 135.6°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#63B529
RGB	rgb(99, 181, 41)
HSL	hsl(95, 63%, 44%)
HSV	hsv(95, 77%, 71%)
CMYK	cmyk(45.3%, 0%, 77.3%, 29%)
CIE-LAB	lab(66.41, -47.91, 58.83)
CIE-LCH	lch(66.41, 75.87, 129.16°)
OKLab	oklab(69.45% -0.1337 0.1309)
OKLCH	oklch(69.45% 0.187 135.6)
XYZ	xyz(22.0692, 35.8591, 7.8560)
Luminance	0.3586 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B529 #7B29B5

analogous

#A9B529 #63B529 #29B535

triadic

#63B529 #2963B5 #B52963

tetradic

#63B529 #29A9B5 #7B29B5 #B53529

square

#63B529 #29A9B5 #7B29B5 #B53529

split-complementary

#63B529 #3529B5 #B529A9

monochromatic

#2C5112 #48831E #63B529 #81D546 #A3E078

Accessibility & contrast

On white

2.57

#63B529 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#63B529 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B529

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B529	#FFFFFF	#000000	##000000
##63B529	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA602

Deuteranopia (green-blind)

#B19F38

Tritanopia (blue-blind)

#60AE9B

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #63b529;
/* rgb */ color: rgb(99, 181, 41);
/* oklch */ color: oklch(69.4% 0.187 135.6);

Tailwind

colors: {
  custom: {
    50: '#97cc6e',
    500: '#63b529',
    950: '#000000',
  },
}

SCSS

$custom: #63b529;
$custom-light: #97cc6e;
$custom-dark: #000000;

JSON

{
  "hex": "#63b529",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 41
  },
  "hsl": {
    "h": 95.143,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.69448,
    "c": 0.18717,
    "h": 135.6
  },
  "luminance": 0.3586
}

Semantic roles & 50–950 ramp

primary

#63B529

secondary

#A472C8

accent

#42E6A2

background

#F9FCF6

surface

#F2F9EC

border

#CCD2C7

text

#0E1308

muted

#7E827B

Preview Lab

Preview with #63B529

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

Preview Lab → · Contrast checker → · Palette generator →