#F3FE63#F3FE63

#F3FE63 is a very light, vivid yellow. Relative luminance 0.908; OKLCH L 96.1% C 0.175 H 113.1°. Best body text is #000000 at 19.17:1 contrast (WCAG AA passes).

Color values

HEX	#F3FE63
RGB	rgb(243, 254, 99)
HSL	hsl(64, 99%, 69%)
HSV	hsv(64, 61%, 100%)
CMYK	cmyk(4.3%, 0%, 61%, 0.4%)
CIE-LAB	lab(96.34, -22.91, 70.57)
CIE-LCH	lch(96.34, 74.20, 107.98°)
OKLab	oklab(96.06% -0.0686 0.161)
OKLCH	oklch(96.06% 0.175 113.1)
XYZ	xyz(74.6580, 90.8406, 25.4031)
Luminance	0.9084 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3FE63 #6E63FE

analogous

#FEBC63 #F3FE63 #A6FE63

triadic

#F3FE63 #63F3FE #FE63F3

tetradic

#F3FE63 #63FEBC #6E63FE #FE63A6

square

#F3FE63 #63FEBC #6E63FE #FE63A6

split-complementary

#F3FE63 #63A6FE #BC63FE

monochromatic

#D5E501 #EEFE26 #F3FE63 #F8FEA0 #FCFFDD

Accessibility & contrast

On white

1.10

#F3FE63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.17

#F3FE63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3FE63

19.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3FE63	#FFFFFF	#000000	##000000
##F3FE63	1.00	1.10	19.17	19.17
#FFFFFF	1.10	1.00	21.00	21.00
#000000	19.17	21.00	1.00	1.00
##000000	19.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF350

Deuteranopia (green-blind)

#FFF66D

Tritanopia (blue-blind)

#FFF0DE

Achromatopsia (no color)

#F4F4F4

Design tokens & code

CSS

--color: #f3fe63;
/* rgb */ color: rgb(243, 254, 99);
/* oklch */ color: oklch(96.1% 0.175 113.1);

Tailwind

colors: {
  custom: {
    50: '#fafe96',
    500: '#f3fe63',
    950: '#000000',
  },
}

SCSS

$custom: #f3fe63;
$custom-light: #fafe96;
$custom-dark: #000000;

JSON

{
  "hex": "#f3fe63",
  "rgb": {
    "r": 243,
    "g": 254,
    "b": 99
  },
  "hsl": {
    "h": 64.258,
    "s": 98.726,
    "l": 69.216
  },
  "oklch": {
    "l": 0.96058,
    "c": 0.17497,
    "h": 113.1
  },
  "luminance": 0.90839
}

Semantic roles & 50–950 ramp

primary

#F3FE63

secondary

#392DD9

accent

#00E610

background

#FFFFFC

surface

#FFFFF5

border

#D7D7CF

text

#18170E

muted

#86857F

Preview Lab

Preview with #F3FE63

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

Preview Lab → · Contrast checker → · Palette generator →