#F3F563#F3F563

#F3F563 is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.2% C 0.166 H 109.9°. Best body text is #000000 at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#F3F563
RGB	rgb(243, 245, 99)
HSL	hsl(61, 88%, 67%)
HSV	hsv(61, 60%, 96%)
CMYK	cmyk(0.8%, 0%, 59.6%, 3.9%)
CIE-LAB	lab(94.00, -18.60, 68.05)
CIE-LCH	lch(94.00, 70.54, 105.29°)
OKLab	oklab(94.18% -0.0564 0.1556)
OKLCH	oklch(94.18% 0.166 109.9)
XYZ	xyz(71.8688, 85.2622, 24.4734)
Luminance	0.8526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F563 #6563F5

analogous

#F5AE63 #F3F563 #AAF563

triadic

#F3F563 #63F3F5 #F563F3

tetradic

#F3F563 #63F5AE #6563F5 #F563AA

square

#F3F563 #63F5AE #6563F5 #F563AA

split-complementary

#F3F563 #63AAF5 #AE63F5

monochromatic

#CED00D #EFF129 #F3F563 #F7F99D #FCFCD6

Accessibility & contrast

On white

1.16

#F3F563 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.05

#F3F563 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F563

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F563	#FFFFFF	#000000	##000000
##F3F563	1.00	1.16	18.05	18.05
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.05	21.00	1.00	1.00
##000000	18.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB52

Deuteranopia (green-blind)

#FFF06C

Tritanopia (blue-blind)

#FFE7D6

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f563;
/* rgb */ color: rgb(243, 245, 99);
/* oklch */ color: oklch(94.2% 0.166 109.9);

Tailwind

colors: {
  custom: {
    50: '#faf895',
    500: '#f3f563',
    950: '#000000',
  },
}

SCSS

$custom: #f3f563;
$custom-light: #faf895;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f563",
  "rgb": {
    "r": 243,
    "g": 245,
    "b": 99
  },
  "hsl": {
    "h": 60.822,
    "s": 87.952,
    "l": 67.451
  },
  "oklch": {
    "l": 0.94182,
    "c": 0.16554,
    "h": 109.9
  },
  "luminance": 0.8526
}

Semantic roles & 50–950 ramp

primary

#F3F563

secondary

#3330CC

accent

#01E504

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3F563

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

Preview Lab → · Contrast checker → · Palette generator →