#F3F566#F3F566

#F3F566 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.163 H 109.9°. Best body text is #000000 at 18.06:1 contrast (WCAG AA passes).

Color values

HEX	#F3F566
RGB	rgb(243, 245, 102)
HSL	hsl(61, 88%, 68%)
HSV	hsv(61, 58%, 96%)
CMYK	cmyk(0.8%, 0%, 58.4%, 3.9%)
CIE-LAB	lab(94.02, -18.40, 66.83)
CIE-LCH	lch(94.02, 69.32, 105.40°)
OKLab	oklab(94.21% -0.0556 0.1534)
OKLCH	oklch(94.21% 0.163 109.9)
XYZ	xyz(72.0149, 85.3206, 25.2428)
Luminance	0.8532 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F566 #6866F5

analogous

#F5AF66 #F3F566 #ABF566

triadic

#F3F566 #66F3F5 #F566F3

tetradic

#F3F566 #66F5AF #6866F5 #F566AB

square

#F3F566 #66F5AF #6866F5 #F566AB

split-complementary

#F3F566 #66ABF5 #AF66F5

monochromatic

#D0D30E #EEF12D #F3F566 #F8F99F #FCFDD9

Accessibility & contrast

On white

1.16

#F3F566 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.06

#F3F566 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F566

18.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F566	#FFFFFF	#000000	##000000
##F3F566	1.00	1.16	18.06	18.06
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.06	21.00	1.00	1.00
##000000	18.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB56

Deuteranopia (green-blind)

#FFF06E

Tritanopia (blue-blind)

#FFE7D6

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f566;
/* rgb */ color: rgb(243, 245, 102);
/* oklch */ color: oklch(94.2% 0.163 109.9);

Tailwind

colors: {
  custom: {
    50: '#faf897',
    500: '#f3f566',
    950: '#000000',
  },
}

SCSS

$custom: #f3f566;
$custom-light: #faf897;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f566",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 102
  },
  "hsl": {
    "h": 60.839,
    "s": 87.73,
    "l": 68.039
  },
  "oklch": {
    "l": 0.9421,
    "c": 0.16317,
    "h": 109.9
  },
  "luminance": 0.85319
}

Semantic roles & 50–950 ramp

primary

#F3F566

secondary

#3431CE

accent

#01E404

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3F566

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

Preview Lab → · Contrast checker → · Palette generator →