#C4EF63#C4EF63

#C4EF63 is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 89.4% C 0.173 H 124.2°. Best body text is #000000 at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#C4EF63
RGB	rgb(196, 239, 99)
HSL	hsl(78, 81%, 66%)
HSV	hsv(78, 59%, 94%)
CMYK	cmyk(18%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(89.10, -34.13, 61.72)
CIE-LCH	lch(89.10, 70.53, 118.94°)
OKLab	oklab(89.43% -0.0973 0.1431)
OKLCH	oklch(89.43% 0.173 124.2)
XYZ	xyz(55.8839, 74.3692, 23.2125)
Luminance	0.7437 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4EF63 #8E63EF

analogous

#EFD463 #C4EF63 #7EEF63

triadic

#C4EF63 #63C4EF #EF63C4

tetradic

#C4EF63 #63EFD4 #8E63EF #EF637E

square

#C4EF63 #63EFD4 #8E63EF #EF637E

split-complementary

#C4EF63 #637EEF #D463EF

monochromatic

#8EC414 #AFE92B #C4EF63 #D9F59B #EEFAD2

Accessibility & contrast

On white

1.32

#C4EF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.87

#C4EF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4EF63

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4EF63	#FFFFFF	#000000	##000000
##C4EF63	1.00	1.32	15.87	15.87
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.87	21.00	1.00	1.00
##000000	15.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE154

Deuteranopia (green-blind)

#F5DF6C

Tritanopia (blue-blind)

#CCE4D1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c4ef63;
/* rgb */ color: rgb(196, 239, 99);
/* oklch */ color: oklch(89.4% 0.173 124.2);

Tailwind

colors: {
  custom: {
    50: '#d9f494',
    500: '#c4ef63',
    950: '#000000',
  },
}

SCSS

$custom: #c4ef63;
$custom-light: #d9f494;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ef63",
  "rgb": {
    "r": 196,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 78.429,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.89428,
    "c": 0.173,
    "h": 124.2
  },
  "luminance": 0.7437
}

Semantic roles & 50–950 ramp

primary

#C4EF63

secondary

#6035C1

accent

#08DE49

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170D

muted

#84857F

Preview Lab

Preview with #C4EF63

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

Preview Lab → · Contrast checker → · Palette generator →