#C5E866#C5E866

#C5E866 is a very light, vivid yellow-green. Relative luminance 0.705; OKLCH L 88.0% C 0.161 H 122.4°. Best body text is #000000 at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#C5E866
RGB	rgb(197, 232, 102)
HSL	hsl(76, 74%, 65%)
HSV	hsv(76, 56%, 91%)
CMYK	cmyk(15.1%, 0%, 56%, 9%)
CIE-LAB	lab(87.26, -30.26, 58.37)
CIE-LCH	lch(87.26, 65.75, 117.41°)
OKLab	oklab(87.98% -0.0863 0.1362)
OKLCH	oklch(87.98% 0.161 122.4)
XYZ	xyz(54.2812, 70.5427, 23.3242)
Luminance	0.7054 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C5E866 #8966E8

analogous

#E8CA66 #C5E866 #84E866

triadic

#C5E866 #66C5E8 #E866C5

tetradic

#C5E866 #66E8CA #8966E8 #E86684

square

#C5E866 #66E8CA #8966E8 #E86684

split-complementary

#C5E866 #6684E8 #CA66E8

monochromatic

#8EB81C #B1E031 #C5E866 #D9F09B #EDF8D0

Accessibility & contrast

On white

1.39

#C5E866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.11

#C5E866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C5E866

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C5E866	#FFFFFF	#000000	##000000
##C5E866	1.00	1.39	15.11	15.11
#FFFFFF	1.39	1.00	21.00	21.00
#000000	15.11	21.00	1.00	1.00
##000000	15.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DB59

Deuteranopia (green-blind)

#F0DB6E

Tritanopia (blue-blind)

#CEDECC

Achromatopsia (no color)

#DBDBDB

Design tokens & code

CSS

--color: #c5e866;
/* rgb */ color: rgb(197, 232, 102);
/* oklch */ color: oklch(88.0% 0.161 122.4);

Tailwind

colors: {
  custom: {
    50: '#d9ef96',
    500: '#c5e866',
    950: '#000000',
  },
}

SCSS

$custom: #c5e866;
$custom-light: #d9ef96;
$custom-dark: #000000;

JSON

{
  "hex": "#c5e866",
  "rgb": {
    "r": 197,
    "g": 232,
    "b": 102
  },
  "hsl": {
    "h": 76.154,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.87976,
    "c": 0.16122,
    "h": 122.4
  },
  "luminance": 0.70543
}

Semantic roles & 50–950 ramp

primary

#C5E866

secondary

#5C3AB8

accent

#10D645

background

#FEFFFC

surface

#FCFEF5

border

#D5D6CF

text

#15160E

muted

#84857F

Preview Lab

Preview with #C5E866

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

Preview Lab → · Contrast checker → · Palette generator →