#C9F866#C9F866

#C9F866 is a very light, vivid yellow-green. Relative luminance 0.805; OKLCH L 91.8% C 0.180 H 124.9°. Best body text is #000000 at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#C9F866
RGB	rgb(201, 248, 102)
HSL	hsl(79, 91%, 69%)
HSV	hsv(79, 59%, 97%)
CMYK	cmyk(19%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(91.91, -36.10, 63.68)
CIE-LCH	lch(91.91, 73.20, 119.55°)
OKLab	oklab(91.79% -0.1028 0.1475)
OKLCH	oklch(91.79% 0.18 124.9)
XYZ	xyz(60.0533, 80.5111, 24.9442)
Luminance	0.8051 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9F866 #9566F8

analogous

#F8DE66 #C9F866 #80F866

triadic

#C9F866 #66C9F8 #F866C9

tetradic

#C9F866 #66F8DE #9566F8 #F86680

square

#C9F866 #66F8DE #9566F8 #F86680

split-complementary

#C9F866 #6680F8 #DE66F8

monochromatic

#97DA0A #B4F52B #C9F866 #DEFBA1 #F2FDDB

Accessibility & contrast

On white

1.23

#C9F866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.10

#C9F866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9F866

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9F866	#FFFFFF	#000000	##000000
##C9F866	1.00	1.23	17.10	17.10
#FFFFFF	1.23	1.00	21.00	21.00
#000000	17.10	21.00	1.00	1.00
##000000	17.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE956

Deuteranopia (green-blind)

#FEE770

Tritanopia (blue-blind)

#D1EDD9

Achromatopsia (no color)

#E8E8E8

Design tokens & code

CSS

--color: #c9f866;
/* rgb */ color: rgb(201, 248, 102);
/* oklch */ color: oklch(91.8% 0.180 124.9);

Tailwind

colors: {
  custom: {
    50: '#dcfa97',
    500: '#c9f866',
    950: '#000000',
  },
}

SCSS

$custom: #c9f866;
$custom-light: #dcfa97;
$custom-dark: #000000;

JSON

{
  "hex": "#c9f866",
  "rgb": {
    "r": 201,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 79.315,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.9179,
    "c": 0.17977,
    "h": 124.9
  },
  "luminance": 0.80512
}

Semantic roles & 50–950 ramp

primary

#C9F866

secondary

#6431D2

accent

#00E64A

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15170E

muted

#84857F

Preview Lab

Preview with #C9F866

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

Preview Lab → · Contrast checker → · Palette generator →