#63B11C#63B11C

#63B11C is a light, vivid yellow-green. Relative luminance 0.342; OKLCH L 68.4% C 0.188 H 134.5°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#63B11C
RGB	rgb(99, 177, 28)
HSL	hsl(91, 73%, 40%)
HSV	hsv(91, 84%, 69%)
CMYK	cmyk(44.1%, 0%, 84.2%, 30.6%)
CIE-LAB	lab(65.10, -46.95, 61.33)
CIE-LCH	lch(65.10, 77.24, 127.43°)
OKLab	oklab(68.36% -0.1319 0.1343)
OKLCH	oklch(68.36% 0.188 134.5)
XYZ	xyz(21.0769, 34.1795, 6.5851)
Luminance	0.3418 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B11C #6A1CB1

analogous

#AEB11C #63B11C #1CB11F

triadic

#63B11C #1C63B1 #B11C63

tetradic

#63B11C #1CAEB1 #6A1CB1 #B11F1C

square

#63B11C #1CAEB1 #6A1CB1 #B11F1C

split-complementary

#63B11C #1F1CB1 #B11CAE

monochromatic

#28470B #457C14 #63B11C #81DE2C #A1E661

Accessibility & contrast

On white

2.68

#63B11C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#63B11C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B11C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B11C	#FFFFFF	#000000	##000000
##63B11C	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A200

Deuteranopia (green-blind)

#AE9C2F

Tritanopia (blue-blind)

#62AA97

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #63b11c;
/* rgb */ color: rgb(99, 177, 28);
/* oklch */ color: oklch(68.4% 0.188 134.5);

Tailwind

colors: {
  custom: {
    50: '#97c968',
    500: '#63b11c',
    950: '#000000',
  },
}

SCSS

$custom: #63b11c;
$custom-light: #97c968;
$custom-dark: #000000;

JSON

{
  "hex": "#63b11c",
  "rgb": {
    "r": 99,
    "g": 177,
    "b": 28
  },
  "hsl": {
    "h": 91.409,
    "s": 72.683,
    "l": 40.196
  },
  "oklch": {
    "l": 0.68356,
    "c": 0.18824,
    "h": 134.5
  },
  "luminance": 0.34181
}

Semantic roles & 50–950 ramp

primary

#63B11C

secondary

#975ECB

accent

#38EF98

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B11C

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

Preview Lab → · Contrast checker → · Palette generator →