#C9FE66#C9FE66

#C9FE66 is a very light, vivid yellow-green. Relative luminance 0.843; OKLCH L 93.1% C 0.187 H 126.1°. Best body text is #000000 at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#C9FE66
RGB	rgb(201, 254, 102)
HSL	hsl(81, 99%, 70%)
HSV	hsv(81, 60%, 100%)
CMYK	cmyk(20.9%, 0%, 59.8%, 0.4%)
CIE-LAB	lab(93.56, -38.79, 65.51)
CIE-LCH	lch(93.56, 76.14, 120.63°)
OKLab	oklab(93.12% -0.1103 0.1514)
OKLCH	oklch(93.12% 0.187 126.1)
XYZ	xyz(61.9276, 84.2596, 25.5689)
Luminance	0.8426 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C9FE66 #9B66FE

analogous

#FEE766 #C9FE66 #7DFE66

triadic

#C9FE66 #66C9FE #FE66C9

tetradic

#C9FE66 #66FEE7 #9B66FE #FE667D

square

#C9FE66 #66FEE7 #9B66FE #FE667D

split-complementary

#C9FE66 #667DFE #E766FE

monochromatic

#98E802 #B4FE29 #C9FE66 #DEFEA3 #F4FFE0

Accessibility & contrast

On white

1.18

#C9FE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.85

#C9FE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #C9FE66

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C9FE66	#FFFFFF	#000000	##000000
##C9FE66	1.00	1.18	17.85	17.85
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.85	21.00	1.00	1.00
##000000	17.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF55

Deuteranopia (green-blind)

#FFEC71

Tritanopia (blue-blind)

#D0F3DE

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #c9fe66;
/* rgb */ color: rgb(201, 254, 102);
/* oklch */ color: oklch(93.1% 0.187 126.1);

Tailwind

colors: {
  custom: {
    50: '#dcff97',
    500: '#c9fe66',
    950: '#000000',
  },
}

SCSS

$custom: #c9fe66;
$custom-light: #dcff97;
$custom-dark: #000000;

JSON

{
  "hex": "#c9fe66",
  "rgb": {
    "r": 201,
    "g": 254,
    "b": 102
  },
  "hsl": {
    "h": 80.921,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.93122,
    "c": 0.18727,
    "h": 126.1
  },
  "luminance": 0.8426
}

Semantic roles & 50–950 ramp

primary

#C9FE66

secondary

#6A2FD9

accent

#00E650

background

#FEFFFC

surface

#FCFFF5

border

#D5D7CF

text

#15180E

muted

#84867F

Preview Lab

Preview with #C9FE66

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

Preview Lab → · Contrast checker → · Palette generator →