#F3FD63#F3FD63

#F3FD63 is a very light, vivid yellow. Relative luminance 0.902; OKLCH L 95.8% C 0.174 H 112.7°. Best body text is #000000 at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#F3FD63
RGB	rgb(243, 253, 99)
HSL	hsl(64, 97%, 69%)
HSV	hsv(64, 61%, 99%)
CMYK	cmyk(4%, 0%, 60.9%, 0.8%)
CIE-LAB	lab(96.08, -22.43, 70.29)
CIE-LCH	lch(96.08, 73.79, 107.70°)
OKLab	oklab(95.85% -0.0672 0.1604)
OKLCH	oklch(95.85% 0.174 112.7)
XYZ	xyz(74.3415, 90.2076, 25.2976)
Luminance	0.9021 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FD63 #6D63FD

analogous

#FDBA63 #F3FD63 #A6FD63

triadic

#F3FD63 #63F3FD #FD63F3

tetradic

#F3FD63 #63FDBA #6D63FD #FD63A6

square

#F3FD63 #63FDBA #6D63FD #FD63A6

split-complementary

#F3FD63 #63A6FD #BA63FD

monochromatic

#D4E303 #EEFC27 #F3FD63 #F8FE9F #FCFFDC

Accessibility & contrast

On white

1.10

#F3FD63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.04

#F3FD63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FD63

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FD63	#FFFFFF	#000000	##000000
##F3FD63	1.00	1.10	19.04	19.04
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.04	21.00	1.00	1.00
##000000	19.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF250

Deuteranopia (green-blind)

#FFF66D

Tritanopia (blue-blind)

#FFEFDD

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f3fd63;
/* rgb */ color: rgb(243, 253, 99);
/* oklch */ color: oklch(95.8% 0.174 112.7);

Tailwind

colors: {
  custom: {
    50: '#fafd96',
    500: '#f3fd63',
    950: '#000000',
  },
}

SCSS

$custom: #f3fd63;
$custom-light: #fafd96;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fd63",
  "rgb": {
    "r": 243,
    "g": 253,
    "b": 99
  },
  "hsl": {
    "h": 63.896,
    "s": 97.468,
    "l": 69.02
  },
  "oklch": {
    "l": 0.95849,
    "c": 0.1739,
    "h": 112.7
  },
  "luminance": 0.90206
}

Semantic roles & 50–950 ramp

primary

#F3FD63

secondary

#382DD7

accent

#00E60F

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3FD63

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

Preview Lab → · Contrast checker → · Palette generator →