#FDF666#FDF666

#FDF666 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.2% C 0.163 H 106.5°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#FDF666
RGB	rgb(253, 246, 102)
HSL	hsl(57, 97%, 70%)
HSV	hsv(57, 60%, 99%)
CMYK	cmyk(0%, 2.8%, 59.7%, 0.8%)
CIE-LAB	lab(95.06, -14.89, 68.18)
CIE-LCH	lch(95.06, 69.79, 102.32°)
OKLab	oklab(95.23% -0.0462 0.1561)
OKLCH	oklch(95.23% 0.163 106.5)
XYZ	xyz(75.8646, 87.7559, 25.5101)
Luminance	0.8775 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF666 #666DFD

analogous

#FDAB66 #FDF666 #B8FD66

triadic

#FDF666 #66FDF6 #F666FD

tetradic

#FDF666 #66FDAB #666DFD #FD66B8

square

#FDF666 #66FDAB #666DFD #FD66B8

split-complementary

#FDF666 #66B8FD #AB66FD

monochromatic

#E6DB03 #FCF22A #FDF666 #FEFAA2 #FFFDDF

Accessibility & contrast

On white

1.13

#FDF666 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#FDF666 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF666

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF666	#FFFFFF	#000000	##000000
##FDF666	1.00	1.13	18.55	18.55
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.55	21.00	1.00	1.00
##000000	18.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED55

Deuteranopia (green-blind)

#FFF46E

Tritanopia (blue-blind)

#FFE7D7

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fdf666;
/* rgb */ color: rgb(253, 246, 102);
/* oklch */ color: oklch(95.2% 0.163 106.5);

Tailwind

colors: {
  custom: {
    50: '#fff897',
    500: '#fdf666',
    950: '#000000',
  },
}

SCSS

$custom: #fdf666;
$custom-light: #fff897;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf666",
  "rgb": {
    "r": 253,
    "g": 246,
    "b": 102
  },
  "hsl": {
    "h": 57.219,
    "s": 97.419,
    "l": 69.608
  },
  "oklch": {
    "l": 0.95226,
    "c": 0.16277,
    "h": 106.5
  },
  "luminance": 0.87753
}

Semantic roles & 50–950 ramp

primary

#FDF666

secondary

#2F37D8

accent

#0BE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #FDF666

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

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