#F3EC59#F3EC59
#F3EC59 is a very light, vivid yellow. Relative luminance 0.798; OKLCH L 92.2% C 0.164 H 106.6°. Best body text is #000000 at 16.95:1 contrast (WCAG AA passes).
Color values
| HEX | #F3EC59 |
|---|---|
| RGB | rgb(243, 236, 89) |
| HSL | hsl(57, 87%, 65%) |
| HSV | hsv(57, 63%, 95%) |
| CMYK | cmyk(0%, 2.9%, 63.4%, 4.7%) |
| CIE-LAB | lab(91.58, -14.85, 69.52) |
| CIE-LCH | lch(91.58, 71.09, 102.06°) |
| OKLab | oklab(92.23% -0.0469 0.1574) |
| OKLCH | oklch(92.23% 0.164 106.6) |
| XYZ | xyz(68.7632, 79.7691, 21.2241) |
| Luminance | 0.7977 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Yellowish
#FAEE66
ΔE00 1.66
Off Yellow
#F1F33F
ΔE00 3.16
Sandy Yellow
#FDEE73
ΔE00 3.17
Straw
#FCF679
ΔE00 3.28
Butter Yellow
#FFFD74
ΔE00 3.83
Pastel Yellow
#FFFE71
ΔE00 3.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#F3EC59 #5960F3
analogous
#F39F59 #F3EC59 #ADF359
triadic
#F3EC59 #59F3EC #EC59F3
tetradic
#F3EC59 #59F39F #5960F3 #F359AD
square
#F3EC59 #59F39F #5960F3 #F359AD
split-complementary
#F3EC59 #59ADF3 #9F59F3
monochromatic
#C3BB0E #EFE520 #F3EC59 #F7F392 #FBF9CB
Accessibility & contrast
On white
1.24
#F3EC59 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.95
#F3EC59 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #F3EC59
16.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##F3EC59 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##F3EC59 | 1.00 | 1.24 | 16.95 | 16.95 |
| #FFFFFF | 1.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.95 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.95 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE446
Deuteranopia (green-blind)
#FFEA62
Tritanopia (blue-blind)
#FFDDCE
Achromatopsia (no color)
#E7E7E7
Design tokens & code
CSS
--color: #f3ec59; /* rgb */ color: rgb(243, 236, 89); /* oklch */ color: oklch(92.2% 0.164 106.6);
Tailwind
colors: {
custom: {
50: '#faf18f',
500: '#f3ec59',
950: '#000000',
},
}SCSS
$custom: #f3ec59; $custom-light: #faf18f; $custom-dark: #000000;
JSON
{
"hex": "#f3ec59",
"rgb": {
"r": 243,
"g": 236,
"b": 89
},
"hsl": {
"h": 57.273,
"s": 86.517,
"l": 65.098
},
"oklch": {
"l": 0.92231,
"c": 0.16418,
"h": 106.6
},
"luminance": 0.79767
}Semantic roles & 50–950 ramp
primary
#F3EC59
secondary
#2F36C1
accent
#0DE302
background
#FFFFFC
surface
#FFFEF4
border
#D7D6CE
text
#18160D
muted
#86857F