#FFDF66#FFDF66

#FFDF66 is a very light, vivid yellow. Relative luminance 0.750; OKLCH L 90.8% C 0.143 H 94.6°. Best body text is #000000 at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#FFDF66
RGB	rgb(255, 223, 102)
HSL	hsl(47, 100%, 70%)
HSV	hsv(47, 60%, 100%)
CMYK	cmyk(0%, 12.5%, 60%, 0%)
CIE-LAB	lab(89.39, -2.68, 61.99)
CIE-LCH	lch(89.39, 62.05, 92.48°)
OKLab	oklab(90.77% -0.0114 0.1428)
OKLCH	oklch(90.77% 0.143 94.6)
XYZ	xyz(70.0290, 74.9981, 23.3552)
Luminance	0.7500 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFDF66 #6686FF

analogous

#FF9366 #FFDF66 #D2FF66

triadic

#FFDF66 #66FFDF #DF66FF

tetradic

#FFDF66 #66FF93 #6686FF #FF66D2

square

#FFDF66 #66FF93 #6686FF #FF66D2

split-complementary

#FFDF66 #66D2FF #9366FF

monochromatic

#EBBA00 #FFD229 #FFDF66 #FFECA3 #FFF9E0

Accessibility & contrast

On white

1.31

#FFDF66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.00

#FFDF66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFDF66

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFDF66	#FFFFFF	#000000	##000000
##FFDF66	1.00	1.31	16.00	16.00
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.00	21.00	1.00	1.00
##000000	16.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DB59

Deuteranopia (green-blind)

#FCE56C

Tritanopia (blue-blind)

#FFD0C5

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #ffdf66;
/* rgb */ color: rgb(255, 223, 102);
/* oklch */ color: oklch(90.8% 0.143 94.6);

Tailwind

colors: {
  custom: {
    50: '#ffe896',
    500: '#ffdf66',
    950: '#000000',
  },
}

SCSS

$custom: #ffdf66;
$custom-light: #ffe896;
$custom-dark: #000000;

JSON

{
  "hex": "#ffdf66",
  "rgb": {
    "r": 255,
    "g": 223,
    "b": 102
  },
  "hsl": {
    "h": 47.451,
    "s": 100,
    "l": 70
  },
  "oklch": {
    "l": 0.9077,
    "c": 0.14329,
    "h": 94.6
  },
  "luminance": 0.74995
}

Semantic roles & 50–950 ramp

primary

#FFDF66

secondary

#2F53DA

accent

#30E600

background

#FFFEFC

surface

#FFFCF5

border

#D7D5CF

text

#19160E

muted

#87847F

Preview Lab

Preview with #FFDF66

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

Preview Lab → · Contrast checker → · Palette generator →