#C5E366#C5E366

#C5E366 is a very light, vivid yellow-green. Relative luminance 0.678; OKLCH L 86.9% C 0.155 H 121.0°. Best body text is #000000 at 14.55:1 contrast (WCAG AA passes).

Color values

HEX	#C5E366
RGB	rgb(197, 227, 102)
HSL	hsl(74, 69%, 65%)
HSV	hsv(74, 55%, 89%)
CMYK	cmyk(13.2%, 0%, 55.1%, 11%)
CIE-LAB	lab(85.89, -27.91, 56.80)
CIE-LCH	lch(85.89, 63.29, 116.17°)
OKLab	oklab(86.87% -0.0797 0.1328)
OKLCH	oklch(86.87% 0.155 121)
XYZ	xyz(52.8938, 67.7679, 22.8618)
Luminance	0.6777 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E366 #8466E3

analogous

#E3C366 #C5E366 #87E366

triadic

#C5E366 #66C5E3 #E366C5

tetradic

#C5E366 #66E3C3 #8466E3 #E36687

square

#C5E366 #66E3C3 #8466E3 #E36687

split-complementary

#C5E366 #6687E3 #C366E3

monochromatic

#8CAF20 #B1DA32 #C5E366 #D9EC9A #ECF6CD

Accessibility & contrast

On white

1.44

#C5E366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.55

#C5E366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E366

14.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E366	#FFFFFF	#000000	##000000
##C5E366	1.00	1.44	14.55	14.55
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.55	21.00	1.00	1.00
##000000	14.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD759

Deuteranopia (green-blind)

#ECD76E

Tritanopia (blue-blind)

#CED9C7

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #c5e366;
/* rgb */ color: rgb(197, 227, 102);
/* oklch */ color: oklch(86.9% 0.155 121.0);

Tailwind

colors: {
  custom: {
    50: '#d9eb95',
    500: '#c5e366',
    950: '#000000',
  },
}

SCSS

$custom: #c5e366;
$custom-light: #d9eb95;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e366",
  "rgb": {
    "r": 197,
    "g": 227,
    "b": 102
  },
  "hsl": {
    "h": 74.4,
    "s": 69.061,
    "l": 64.51
  },
  "oklch": {
    "l": 0.86872,
    "c": 0.1549,
    "h": 121
  },
  "luminance": 0.67768
}

Semantic roles & 50–950 ramp

primary

#C5E366

secondary

#593DB0

accent

#14D142

background

#FEFEFC

surface

#FCFDF5

border

#D5D5CF

text

#15160E

muted

#84847F

Preview Lab

Preview with #C5E366

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

Preview Lab → · Contrast checker → · Palette generator →