#F4F663#F4F663
#F4F663 is a very light, vivid yellow. Relative luminance 0.860; OKLCH L 94.5% C 0.166 H 109.9°. Best body text is #000000 at 18.21:1 contrast (WCAG AA passes).
Color values
| HEX | #F4F663 |
|---|---|
| RGB | rgb(244, 246, 99) |
| HSL | hsl(61, 89%, 68%) |
| HSV | hsv(61, 60%, 96%) |
| CMYK | cmyk(0.8%, 0%, 59.8%, 3.5%) |
| CIE-LAB | lab(94.33, -18.69, 68.43) |
| CIE-LCH | lch(94.33, 70.94, 105.27°) |
| OKLab | oklab(94.47% -0.0567 0.1564) |
| OKLCH | oklch(94.47% 0.166 109.9) |
| XYZ | xyz(72.5182, 86.0474, 24.5907) |
| Luminance | 0.8605 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Pastel Yellow
#FFFE71
ΔE00 1.96
Canary
#FDFF63
ΔE00 1.97
Butter Yellow
#FFFD74
ΔE00 2.06
Custard
#FFFD78
ΔE00 2.31
Light Yellow
#FFFE7A
ΔE00 2.46
Straw
#FCF679
ΔE00 2.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#F4F663 #6563F6
analogous
#F6AE63 #F4F663 #ABF663
triadic
#F4F663 #63F4F6 #F663F4
tetradic
#F4F663 #63F6AE #6563F6 #F663AB
square
#F4F663 #63F6AE #6563F6 #F663AB
split-complementary
#F4F663 #63ABF6 #AE63F6
monochromatic
#D0D20C #F0F329 #F4F663 #F8F99D #FCFDD7
Accessibility & contrast
On white
1.15
#F4F663 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
18.21
#F4F663 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #F4F663
18.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##F4F663 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##F4F663 | 1.00 | 1.15 | 18.21 | 18.21 |
| #FFFFFF | 1.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 18.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 18.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFEC52
Deuteranopia (green-blind)
#FFF16C
Tritanopia (blue-blind)
#FFE8D7
Achromatopsia (no color)
#EFEFEF
Design tokens & code
CSS
--color: #f4f663; /* rgb */ color: rgb(244, 246, 99); /* oklch */ color: oklch(94.5% 0.166 109.9);
Tailwind
colors: {
custom: {
50: '#fbf995',
500: '#f4f663',
950: '#000000',
},
}SCSS
$custom: #f4f663; $custom-light: #fbf995; $custom-dark: #000000;
JSON
{
"hex": "#f4f663",
"rgb": {
"r": 244,
"g": 246,
"b": 99
},
"hsl": {
"h": 60.816,
"s": 89.091,
"l": 67.647
},
"oklch": {
"l": 0.94469,
"c": 0.16638,
"h": 109.9
},
"luminance": 0.86045
}Semantic roles & 50–950 ramp
primary
#F4F663
secondary
#3230CE
accent
#00E603
background
#FFFFFC
surface
#FFFFF5
border
#D7D7CF
text
#18170E
muted
#86857F