#F3FE66#F3FE66

#F3FE66 is a very light, vivid yellow. Relative luminance 0.909; OKLCH L 96.1% C 0.173 H 113.1°. Best body text is #000000 at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#F3FE66
RGB	rgb(243, 254, 102)
HSL	hsl(64, 99%, 70%)
HSV	hsv(64, 60%, 100%)
CMYK	cmyk(4.3%, 0%, 59.8%, 0.4%)
CIE-LAB	lab(96.37, -22.71, 69.39)
CIE-LCH	lch(96.37, 73.01, 108.12°)
OKLab	oklab(96.09% -0.0677 0.1588)
OKLCH	oklch(96.09% 0.173 113.1)
XYZ	xyz(74.8041, 90.8991, 26.1725)
Luminance	0.9090 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FE66 #7166FE

analogous

#FEBD66 #F3FE66 #A7FE66

triadic

#F3FE66 #66F3FE #FE66F3

tetradic

#F3FE66 #66FEBD #7166FE #FE66A7

square

#F3FE66 #66FEBD #7166FE #FE66A7

split-complementary

#F3FE66 #66A7FE #BD66FE

monochromatic

#D7E802 #EEFE29 #F3FE66 #F8FEA3 #FDFFE0

Accessibility & contrast

On white

1.09

#F3FE66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.18

#F3FE66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FE66

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FE66	#FFFFFF	#000000	##000000
##F3FE66	1.00	1.09	19.18	19.18
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.18	21.00	1.00	1.00
##000000	19.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF354

Deuteranopia (green-blind)

#FFF670

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f3fe66;
/* rgb */ color: rgb(243, 254, 102);
/* oklch */ color: oklch(96.1% 0.173 113.1);

Tailwind

colors: {
  custom: {
    50: '#fafe97',
    500: '#f3fe66',
    950: '#000000',
  },
}

SCSS

$custom: #f3fe66;
$custom-light: #fafe97;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fe66",
  "rgb": {
    "r": 243,
    "g": 254,
    "b": 102
  },
  "hsl": {
    "h": 64.342,
    "s": 98.701,
    "l": 69.804
  },
  "oklch": {
    "l": 0.96085,
    "c": 0.17267,
    "h": 113.1
  },
  "luminance": 0.90898
}

Semantic roles & 50–950 ramp

primary

#F3FE66

secondary

#3B2FD9

accent

#00E611

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3FE66

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

Preview Lab → · Contrast checker → · Palette generator →