#63B534#63B534

#63B534 is a light, vivid yellow-green. Relative luminance 0.359; OKLCH L 69.5% C 0.181 H 136.4°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#63B534
RGB	rgb(99, 181, 52)
HSL	hsl(98, 55%, 46%)
HSV	hsv(98, 71%, 71%)
CMYK	cmyk(45.3%, 0%, 71.3%, 29%)
CIE-LAB	lab(66.48, -47.18, 55.05)
CIE-LCH	lch(66.48, 72.50, 130.60°)
OKLab	oklab(69.53% -0.1311 0.1246)
OKLCH	oklch(69.53% 0.181 136.4)
XYZ	xyz(22.2887, 35.9469, 9.0121)
Luminance	0.3595 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B534 #8634B5

analogous

#A3B534 #63B534 #34B546

triadic

#63B534 #3463B5 #B53463

tetradic

#63B534 #34A3B5 #8634B5 #B54634

square

#63B534 #34A3B5 #8634B5 #B54634

split-complementary

#63B534 #4634B5 #B534A3

monochromatic

#2F5619 #498526 #63B534 #83CF57 #A6DC87

Accessibility & contrast

On white

2.56

#63B534 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#63B534 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B534

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B534	#FFFFFF	#000000	##000000
##63B534	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA61F

Deuteranopia (green-blind)

#B09F40

Tritanopia (blue-blind)

#5FAE9C

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #63b534;
/* rgb */ color: rgb(99, 181, 52);
/* oklch */ color: oklch(69.5% 0.181 136.4);

Tailwind

colors: {
  custom: {
    50: '#96cc73',
    500: '#63b534',
    950: '#000000',
  },
}

SCSS

$custom: #63b534;
$custom-light: #96cc73;
$custom-dark: #000000;

JSON

{
  "hex": "#63b534",
  "rgb": {
    "r": 99,
    "g": 181,
    "b": 52
  },
  "hsl": {
    "h": 98.14,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.69525,
    "c": 0.18084,
    "h": 136.4
  },
  "luminance": 0.35948
}

Semantic roles & 50–950 ramp

primary

#63B534

secondary

#AC7FC6

accent

#49DFA8

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0E1309

muted

#7E827B

Preview Lab

Preview with #63B534

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

Preview Lab → · Contrast checker → · Palette generator →