#F8FF63#F8FF63
#F8FF63 is a very light, vivid yellow. Relative luminance 0.924; OKLCH L 96.7% C 0.175 H 111.7°. Best body text is #000000 at 19.48:1 contrast (WCAG AA passes).
Color values
| HEX | #F8FF63 |
|---|---|
| RGB | rgb(248, 255, 99) |
| HSL | hsl(63, 100%, 69%) |
| HSV | hsv(63, 61%, 100%) |
| CMYK | cmyk(2.7%, 0%, 61.2%, 0%) |
| CIE-LAB | lab(96.98, -21.41, 71.36) |
| CIE-LCH | lch(96.98, 74.50, 106.70°) |
| OKLab | oklab(96.65% -0.0646 0.1625) |
| OKLCH | oklch(96.65% 0.175 111.7) |
| XYZ | xyz(76.7257, 92.3791, 25.5912) |
| Luminance | 0.9238 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Canary
#FDFF63
ΔE00 1.10
Lemon (survey)
#FDFF52
ΔE00 2.02
Pastel Yellow
#FFFE71
ΔE00 2.04
Banana Yellow
#FAFE4B
ΔE00 2.19
Butter Yellow
#FFFD74
ΔE00 2.44
Light Yellow
#FFFE7A
ΔE00 2.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#F8FF63 #6A63FF
analogous
#FFB863 #F8FF63 #AAFF63
triadic
#F8FF63 #63F8FF #FF63F8
tetradic
#F8FF63 #63FFB8 #6A63FF #FF63AA
square
#F8FF63 #63FFB8 #6A63FF #FF63AA
split-complementary
#F8FF63 #63AAFF #B863FF
monochromatic
#DDE800 #F5FF26 #F8FF63 #FBFFA0 #FDFFDD
Accessibility & contrast
On white
1.08
#F8FF63 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
19.48
#F8FF63 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #F8FF63
19.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##F8FF63 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##F8FF63 | 1.00 | 1.08 | 19.48 | 19.48 |
| #FFFFFF | 1.08 | 1.00 | 21.00 | 21.00 |
| #000000 | 19.48 | 21.00 | 1.00 | 1.00 |
| ##000000 | 19.48 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFF450
Deuteranopia (green-blind)
#FFF86D
Tritanopia (blue-blind)
#FFF1DE
Achromatopsia (no color)
#F6F6F6
Design tokens & code
CSS
--color: #f8ff63; /* rgb */ color: rgb(248, 255, 99); /* oklch */ color: oklch(96.7% 0.175 111.7);
Tailwind
colors: {
custom: {
50: '#feff96',
500: '#f8ff63',
950: '#000000',
},
}SCSS
$custom: #f8ff63; $custom-light: #feff96; $custom-dark: #000000;
JSON
{
"hex": "#f8ff63",
"rgb": {
"r": 248,
"g": 255,
"b": 99
},
"hsl": {
"h": 62.692,
"s": 100,
"l": 69.412
},
"oklch": {
"l": 0.96654,
"c": 0.17489,
"h": 111.7
},
"luminance": 0.92377
}Semantic roles & 50–950 ramp
primary
#F8FF63
secondary
#342CDA
accent
#00E60A
background
#FFFFFC
surface
#FFFFF5
border
#D7D7CF
text
#18170E
muted
#86857F