#EFF657#EFF657
#EFF657 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.0% C 0.176 H 111.8°. Best body text is #000000 at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #EFF657 |
|---|---|
| RGB | rgb(239, 246, 87) |
| HSL | hsl(63, 90%, 65%) |
| HSV | hsv(63, 65%, 96%) |
| CMYK | cmyk(2.8%, 0%, 64.6%, 3.5%) |
| CIE-LAB | lab(93.86, -21.42, 72.58) |
| CIE-LCH | lch(93.86, 75.67, 106.44°) |
| OKLab | oklab(93.97% -0.0653 0.1636) |
| OKLCH | oklch(93.97% 0.176 111.8) |
| XYZ | xyz(70.2747, 84.9520, 21.7104) |
| Luminance | 0.8495 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Off Yellow
#F1F33F
ΔE00 2.24
Canary
#FDFF63
ΔE00 2.28
Banana Yellow
#FAFE4B
ΔE00 2.52
Lemon (survey)
#FDFF52
ΔE00 2.64
Pastel Yellow
#FFFE71
ΔE00 2.98
Butter Yellow
#FFFD74
ΔE00 3.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#EFF657 #5E57F6
analogous
#F6AE57 #EFF657 #9FF657
triadic
#EFF657 #57EFF6 #F657EF
tetradic
#EFF657 #57F6AE #5E57F6 #F6579F
square
#EFF657 #57F6AE #5E57F6 #F6579F
split-complementary
#EFF657 #579FF6 #AE57F6
monochromatic
#C0C80B #E9F31D #EFF657 #F5F991 #FAFCCB
Accessibility & contrast
On white
1.17
#EFF657 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.99
#EFF657 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #EFF657
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##EFF657 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##EFF657 | 1.00 | 1.17 | 17.99 | 17.99 |
| #FFFFFF | 1.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 17.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 17.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFEB41
Deuteranopia (green-blind)
#FFEF62
Tritanopia (blue-blind)
#FFE8D6
Achromatopsia (no color)
#EDEDED
Design tokens & code
CSS
--color: #eff657; /* rgb */ color: rgb(239, 246, 87); /* oklch */ color: oklch(94.0% 0.176 111.8);
Tailwind
colors: {
custom: {
50: '#f8f98e',
500: '#eff657',
950: '#000000',
},
}SCSS
$custom: #eff657; $custom-light: #f8f98e; $custom-dark: #000000;
JSON
{
"hex": "#eff657",
"rgb": {
"r": 239,
"g": 246,
"b": 87
},
"hsl": {
"h": 62.642,
"s": 89.831,
"l": 65.294
},
"oklch": {
"l": 0.93971,
"c": 0.17617,
"h": 111.8
},
"luminance": 0.8495
}Semantic roles & 50–950 ramp
primary
#EFF657
secondary
#332DC4
accent
#00E60A
background
#FFFFFC
surface
#FFFFF4
border
#D7D7CE
text
#18170D
muted
#86857F