#EFF366#EFF366
#EFF366 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.5% C 0.162 H 110.7°. Best body text is #000000 at 17.68:1 contrast (WCAG AA passes).
Color values
| HEX | #EFF366 |
|---|---|
| RGB | rgb(239, 243, 102) |
| HSL | hsl(62, 85%, 68%) |
| HSV | hsv(62, 58%, 95%) |
| CMYK | cmyk(1.6%, 0%, 58%, 4.7%) |
| CIE-LAB | lab(93.19, -19.03, 65.83) |
| CIE-LCH | lch(93.19, 68.53, 106.12°) |
| OKLab | oklab(93.48% -0.0571 0.1514) |
| OKLCH | oklch(93.48% 0.162 110.7) |
| XYZ | xyz(70.0474, 83.4129, 24.9782) |
| Luminance | 0.8341 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Butter Yellow
#FFFD74
ΔE00 2.66
Pastel Yellow
#FFFE71
ΔE00 2.68
Custard
#FFFD78
ΔE00 2.76
Light Yellow
#FFFE7A
ΔE00 2.85
Straw
#FCF679
ΔE00 2.89
Canary
#FDFF63
ΔE00 2.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#EFF366 #6A66F3
analogous
#F3B066 #EFF366 #A9F366
triadic
#EFF366 #66EFF3 #F366EF
tetradic
#EFF366 #66F3B0 #6A66F3 #F366A9
square
#EFF366 #66F3B0 #6A66F3 #F366A9
split-complementary
#EFF366 #66A9F3 #B066F3
monochromatic
#C9CE10 #E9EF2D #EFF366 #F5F79F #FBFCD7
Accessibility & contrast
On white
1.19
#EFF366 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.68
#EFF366 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #EFF366
17.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##EFF366 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##EFF366 | 1.00 | 1.19 | 17.68 | 17.68 |
| #FFFFFF | 1.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 17.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 17.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE956
Deuteranopia (green-blind)
#FFED6E
Tritanopia (blue-blind)
#FEE5D5
Achromatopsia (no color)
#EBEBEB
Design tokens & code
CSS
--color: #eff366; /* rgb */ color: rgb(239, 243, 102); /* oklch */ color: oklch(93.5% 0.162 110.7);
Tailwind
colors: {
custom: {
50: '#f7f697',
500: '#eff366',
950: '#000000',
},
}SCSS
$custom: #eff366; $custom-light: #f7f697; $custom-dark: #000000;
JSON
{
"hex": "#eff366",
"rgb": {
"r": 239,
"g": 243,
"b": 102
},
"hsl": {
"h": 61.702,
"s": 85.455,
"l": 67.647
},
"oklch": {
"l": 0.93476,
"c": 0.16181,
"h": 110.7
},
"luminance": 0.83411
}Semantic roles & 50–950 ramp
primary
#EFF366
secondary
#3733CA
accent
#04E20A
background
#FFFFFC
surface
#FFFEF5
border
#D7D6CF
text
#18170E
muted
#86857F