#F6FF66#F6FF66

#F6FF66 is a very light, vivid yellow. Relative luminance 0.921; OKLCH L 96.5% C 0.173 H 112.4°. Best body text is #000000 at 19.41:1 contrast (WCAG AA passes).

Color values

HEX	#F6FF66
RGB	rgb(246, 255, 102)
HSL	hsl(64, 100%, 70%)
HSV	hsv(64, 60%, 100%)
CMYK	cmyk(3.5%, 0%, 60%, 0%)
CIE-LAB	lab(96.85, -22.00, 69.97)
CIE-LCH	lch(96.85, 73.35, 107.46°)
OKLab	oklab(96.53% -0.0659 0.16)
OKLCH	oklch(96.53% 0.173 112.4)
XYZ	xyz(76.1663, 92.0737, 26.3275)
Luminance	0.9207 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F6FF66 #6F66FF

analogous

#FFBB66 #F6FF66 #AAFF66

triadic

#F6FF66 #66F6FF #FF66F6

tetradic

#F6FF66 #66FFBB #6F66FF #FF66AA

square

#F6FF66 #66FFBB #6F66FF #FF66AA

split-complementary

#F6FF66 #66AAFF #BB66FF

monochromatic

#DDEB00 #F2FF29 #F6FF66 #FAFFA3 #FDFFE0

Accessibility & contrast

On white

1.08

#F6FF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.41

#F6FF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F6FF66

19.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F6FF66	#FFFFFF	#000000	##000000
##F6FF66	1.00	1.08	19.41	19.41
#FFFFFF	1.08	1.00	21.00	21.00
#000000	19.41	21.00	1.00	1.00
##000000	19.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF454

Deuteranopia (green-blind)

#FFF870

Tritanopia (blue-blind)

#FFF1DF

Achromatopsia (no color)

#F6F6F6

Design tokens & code

CSS

--color: #f6ff66;
/* rgb */ color: rgb(246, 255, 102);
/* oklch */ color: oklch(96.5% 0.173 112.4);

Tailwind

colors: {
  custom: {
    50: '#fcff98',
    500: '#f6ff66',
    950: '#000000',
  },
}

SCSS

$custom: #f6ff66;
$custom-light: #fcff98;
$custom-dark: #000000;

JSON

{
  "hex": "#f6ff66",
  "rgb": {
    "r": 246,
    "g": 255,
    "b": 102
  },
  "hsl": {
    "h": 63.529,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.96525,
    "c": 0.17306,
    "h": 112.4
  },
  "luminance": 0.92072
}

Semantic roles & 50–950 ramp

primary

#F6FF66

secondary

#392FDA

accent

#00E60D

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F6FF66

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

Preview Lab → · Contrast checker → · Palette generator →