#F3F866#F3F866

#F3F866 is a very light, vivid yellow. Relative luminance 0.871; OKLCH L 94.8% C 0.166 H 111.0°. Best body text is #000000 at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#F3F866
RGB	rgb(243, 248, 102)
HSL	hsl(62, 91%, 69%)
HSV	hsv(62, 59%, 97%)
CMYK	cmyk(2%, 0%, 58.9%, 2.7%)
CIE-LAB	lab(94.80, -19.85, 67.68)
CIE-LCH	lch(94.80, 70.53, 106.34°)
OKLab	oklab(94.83% -0.0596 0.1552)
OKLCH	oklch(94.83% 0.166 111)
XYZ	xyz(72.9298, 87.1505, 25.5478)
Luminance	0.8715 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F866 #6B66F8

analogous

#F8B466 #F3F866 #AAF866

triadic

#F3F866 #66F3F8 #F866F3

tetradic

#F3F866 #66F8B4 #6B66F8 #F866AA

square

#F3F866 #66F8B4 #6B66F8 #F866AA

split-complementary

#F3F866 #66AAF8 #B466F8

monochromatic

#D3DA0A #EEF52B #F3F866 #F8FBA1 #FCFDDB

Accessibility & contrast

On white

1.14

#F3F866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.43

#F3F866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F866

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F866	#FFFFFF	#000000	##000000
##F3F866	1.00	1.14	18.43	18.43
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.43	21.00	1.00	1.00
##000000	18.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE55

Deuteranopia (green-blind)

#FFF26F

Tritanopia (blue-blind)

#FFEAD9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f3f866;
/* rgb */ color: rgb(243, 248, 102);
/* oklch */ color: oklch(94.8% 0.166 111.0);

Tailwind

colors: {
  custom: {
    50: '#fafa97',
    500: '#f3f866',
    950: '#000000',
  },
}

SCSS

$custom: #f3f866;
$custom-light: #fafa97;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f866",
  "rgb": {
    "r": 243,
    "g": 248,
    "b": 102
  },
  "hsl": {
    "h": 62.055,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.94833,
    "c": 0.1663,
    "h": 111
  },
  "luminance": 0.87149
}

Semantic roles & 50–950 ramp

primary

#F3F866

secondary

#3631D2

accent

#00E608

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3F866

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

Preview Lab → · Contrast checker → · Palette generator →