#F5F366#F5F366

#F5F366 is a very light, vivid yellow. Relative luminance 0.845; OKLCH L 94.0% C 0.161 H 108.4°. Best body text is #000000 at 17.89:1 contrast (WCAG AA passes).

Color values

HEX	#F5F366
RGB	rgb(245, 243, 102)
HSL	hsl(59, 88%, 68%)
HSV	hsv(59, 58%, 96%)
CMYK	cmyk(0%, 0.8%, 58.4%, 3.9%)
CIE-LAB	lab(93.66, -16.64, 66.47)
CIE-LCH	lch(93.66, 68.52, 104.05°)
OKLab	oklab(93.96% -0.0507 0.1526)
OKLCH	oklch(93.96% 0.161 108.4)
XYZ	xyz(72.1072, 84.4750, 25.0747)
Luminance	0.8447 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F5F366 #6668F5

analogous

#F5AB66 #F5F366 #AFF566

triadic

#F5F366 #66F5F3 #F366F5

tetradic

#F5F366 #66F5AB #6668F5 #F566AF

square

#F5F366 #66F5AB #6668F5 #F566AF

split-complementary

#F5F366 #66AFF5 #AB66F5

monochromatic

#D3D00E #F1EE2D #F5F366 #F9F89F #FDFCD9

Accessibility & contrast

On white

1.17

#F5F366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.89

#F5F366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F5F366

17.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F5F366	#FFFFFF	#000000	##000000
##F5F366	1.00	1.17	17.89	17.89
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.89	21.00	1.00	1.00
##000000	17.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA56

Deuteranopia (green-blind)

#FFEF6E

Tritanopia (blue-blind)

#FFE5D5

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #f5f366;
/* rgb */ color: rgb(245, 243, 102);
/* oklch */ color: oklch(94.0% 0.161 108.4);

Tailwind

colors: {
  custom: {
    50: '#fbf697',
    500: '#f5f366',
    950: '#000000',
  },
}

SCSS

$custom: #f5f366;
$custom-light: #fbf697;
$custom-dark: #000000;

JSON

{
  "hex": "#f5f366",
  "rgb": {
    "r": 245,
    "g": 243,
    "b": 102
  },
  "hsl": {
    "h": 59.161,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.93957,
    "c": 0.16081,
    "h": 108.4
  },
  "luminance": 0.84473
}

Semantic roles & 50–950 ramp

primary

#F5F366

secondary

#3134CE

accent

#04E401

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F5F366

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

Preview Lab → · Contrast checker → · Palette generator →