#F3DF66#F3DF66

#F3DF66 is a very light, vivid yellow. Relative luminance 0.728; OKLCH L 89.7% C 0.142 H 100.0°. Best body text is #000000 at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#F3DF66
RGB	rgb(243, 223, 102)
HSL	hsl(51, 85%, 68%)
HSV	hsv(51, 58%, 95%)
CMYK	cmyk(0%, 8.2%, 58%, 4.7%)
CIE-LAB	lab(88.35, -7.57, 60.53)
CIE-LCH	lch(88.35, 61.01, 97.13°)
OKLab	oklab(89.7% -0.0247 0.14)
OKLCH	oklch(89.7% 0.142 100)
XYZ	xyz(65.7506, 72.7920, 23.1547)
Luminance	0.7279 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3DF66 #667AF3

analogous

#F39866 #F3DF66 #C1F366

triadic

#F3DF66 #66F3DF #DF66F3

tetradic

#F3DF66 #66F398 #667AF3 #F366C1

square

#F3DF66 #66F398 #667AF3 #F366C1

split-complementary

#F3DF66 #66C1F3 #9866F3

monochromatic

#CEB310 #EFD32D #F3DF66 #F7EB9F #FCF7D7

Accessibility & contrast

On white

1.35

#F3DF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.56

#F3DF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3DF66

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3DF66	#FFFFFF	#000000	##000000
##F3DF66	1.00	1.35	15.56	15.56
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.56	21.00	1.00	1.00
##000000	15.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F2D959

Deuteranopia (green-blind)

#F7E16C

Tritanopia (blue-blind)

#FFD1C4

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #f3df66;
/* rgb */ color: rgb(243, 223, 102);
/* oklch */ color: oklch(89.7% 0.142 100.0);

Tailwind

colors: {
  custom: {
    50: '#fae896',
    500: '#f3df66',
    950: '#000000',
  },
}

SCSS

$custom: #f3df66;
$custom-light: #fae896;
$custom-dark: #000000;

JSON

{
  "hex": "#f3df66",
  "rgb": {
    "r": 243,
    "g": 223,
    "b": 102
  },
  "hsl": {
    "h": 51.489,
    "s": 85.455,
    "l": 67.647
  },
  "oklch": {
    "l": 0.89697,
    "c": 0.14217,
    "h": 100
  },
  "luminance": 0.72789
}

Semantic roles & 50–950 ramp

primary

#F3DF66

secondary

#3348CA

accent

#23E204

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#18160E

muted

#86847F

Preview Lab

Preview with #F3DF66

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

Preview Lab → · Contrast checker → · Palette generator →