#63B41C#63B41C

#63B41C is a light, vivid yellow-green. Relative luminance 0.354; OKLCH L 69.1% C 0.192 H 134.8°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#63B41C
RGB	rgb(99, 180, 28)
HSL	hsl(92, 73%, 41%)
HSV	hsv(92, 84%, 71%)
CMYK	cmyk(45%, 0%, 84.4%, 29.4%)
CIE-LAB	lab(66.04, -48.15, 62.16)
CIE-LCH	lch(66.04, 78.63, 127.76°)
OKLab	oklab(69.13% -0.1351 0.136)
OKLCH	oklch(69.13% 0.192 134.8)
XYZ	xyz(21.6760, 35.3777, 6.7848)
Luminance	0.3538 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B41C #6D1CB4

analogous

#AFB41C #63B41C #1CB421

triadic

#63B41C #1C63B4 #B41C63

tetradic

#63B41C #1CAFB4 #6D1CB4 #B4211C

square

#63B41C #1CAFB4 #6D1CB4 #B4211C

split-complementary

#63B41C #211CB4 #B41CAF

monochromatic

#294A0C #467F14 #63B41C #81DF2F #A1E764

Accessibility & contrast

On white

2.60

#63B41C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#63B41C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B41C

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B41C	#FFFFFF	#000000	##000000
##63B41C	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B09E30

Tritanopia (blue-blind)

#61AD99

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b41c;
/* rgb */ color: rgb(99, 180, 28);
/* oklch */ color: oklch(69.1% 0.192 134.8);

Tailwind

colors: {
  custom: {
    50: '#97cb68',
    500: '#63b41c',
    950: '#000000',
  },
}

SCSS

$custom: #63b41c;
$custom-light: #97cb68;
$custom-dark: #000000;

JSON

{
  "hex": "#63b41c",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 28
  },
  "hsl": {
    "h": 91.974,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.69126,
    "c": 0.19174,
    "h": 134.8
  },
  "luminance": 0.35379
}

Semantic roles & 50–950 ramp

primary

#63B41C

secondary

#9960CC

accent

#38F09A

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B41C

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

Preview Lab → · Contrast checker → · Palette generator →