#63B418#63B418

#63B418 is a light, vivid yellow-green. Relative luminance 0.354; OKLCH L 69.1% C 0.193 H 134.6°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#63B418
RGB	rgb(99, 180, 24)
HSL	hsl(91, 76%, 40%)
HSV	hsv(91, 87%, 71%)
CMYK	cmyk(45%, 0%, 86.7%, 29.4%)
CIE-LAB	lab(66.03, -48.30, 63.06)
CIE-LCH	lch(66.03, 79.43, 127.45°)
OKLab	oklab(69.11% -0.1357 0.1374)
OKLCH	oklch(69.11% 0.193 134.6)
XYZ	xyz(21.6313, 35.3598, 6.5493)
Luminance	0.3536 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63B418 #6918B4

analogous

#B1B418 #63B418 #18B41B

triadic

#63B418 #1863B4 #B41863

tetradic

#63B418 #18B1B4 #6918B4 #B41B18

square

#63B418 #18B1B4 #6918B4 #B41B18

split-complementary

#63B418 #1B18B4 #B418B1

monochromatic

#28480A #457E11 #63B418 #81E227 #A0E95D

Accessibility & contrast

On white

2.60

#63B418 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#63B418 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63B418

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63B418	#FFFFFF	#000000	##000000
##63B418	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA500

Deuteranopia (green-blind)

#B09E2E

Tritanopia (blue-blind)

#61AD99

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #63b418;
/* rgb */ color: rgb(99, 180, 24);
/* oklch */ color: oklch(69.1% 0.193 134.6);

Tailwind

colors: {
  custom: {
    50: '#97cb67',
    500: '#63b418',
    950: '#000000',
  },
}

SCSS

$custom: #63b418;
$custom-light: #97cb67;
$custom-dark: #000000;

JSON

{
  "hex": "#63b418",
  "rgb": {
    "r": 99,
    "g": 180,
    "b": 24
  },
  "hsl": {
    "h": 91.154,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.6911,
    "c": 0.19313,
    "h": 134.6
  },
  "luminance": 0.35361
}

Semantic roles & 50–950 ramp

primary

#63B418

secondary

#965BCD

accent

#35F398

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #63B418

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

Preview Lab → · Contrast checker → · Palette generator →