#C4EF66#C4EF66

#C4EF66 is a very light, vivid yellow-green. Relative luminance 0.744; OKLCH L 89.5% C 0.171 H 124.4°. Best body text is #000000 at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#C4EF66
RGB	rgb(196, 239, 102)
HSL	hsl(79, 81%, 67%)
HSV	hsv(79, 57%, 94%)
CMYK	cmyk(18%, 0%, 57.3%, 6.3%)
CIE-LAB	lab(89.12, -33.88, 60.47)
CIE-LCH	lch(89.12, 69.31, 119.26°)
OKLab	oklab(89.46% -0.0963 0.1407)
OKLCH	oklch(89.46% 0.171 124.4)
XYZ	xyz(56.0299, 74.4276, 23.9819)
Luminance	0.7443 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C4EF66 #9166EF

analogous

#EFD666 #C4EF66 #80EF66

triadic

#C4EF66 #66C4EF #EF66C4

tetradic

#C4EF66 #66EFD6 #9166EF #EF6680

square

#C4EF66 #66EFD6 #9166EF #EF6680

split-complementary

#C4EF66 #6680EF #D666EF

monochromatic

#8EC615 #AFE92F #C4EF66 #D9F59D #EFFBD5

Accessibility & contrast

On white

1.32

#C4EF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.89

#C4EF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C4EF66

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C4EF66	#FFFFFF	#000000	##000000
##C4EF66	1.00	1.32	15.89	15.89
#FFFFFF	1.32	1.00	21.00	21.00
#000000	15.89	21.00	1.00	1.00
##000000	15.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE157

Deuteranopia (green-blind)

#F5DF6F

Tritanopia (blue-blind)

#CCE5D1

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #c4ef66;
/* rgb */ color: rgb(196, 239, 102);
/* oklch */ color: oklch(89.5% 0.171 124.4);

Tailwind

colors: {
  custom: {
    50: '#d8f496',
    500: '#c4ef66',
    950: '#000000',
  },
}

SCSS

$custom: #c4ef66;
$custom-light: #d8f496;
$custom-dark: #000000;

JSON

{
  "hex": "#c4ef66",
  "rgb": {
    "r": 196,
    "g": 239,
    "b": 102
  },
  "hsl": {
    "h": 78.832,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.89459,
    "c": 0.17051,
    "h": 124.4
  },
  "luminance": 0.74428
}

Semantic roles & 50–950 ramp

primary

#C4EF66

secondary

#6236C3

accent

#08DD4B

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C4EF66

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

Preview Lab → · Contrast checker → · Palette generator →