#EFF183#EFF183
#EFF183 is a very light, vivid yellow. Relative luminance 0.829; OKLCH L 93.4% C 0.133 H 109.6°. Best body text is #000000 at 17.58:1 contrast (WCAG AA passes).
Color values
| HEX | #EFF183 |
|---|---|
| RGB | rgb(239, 241, 131) |
| HSL | hsl(61, 80%, 73%) |
| HSV | hsv(61, 46%, 95%) |
| CMYK | cmyk(0.8%, 0%, 45.6%, 5.5%) |
| CIE-LAB | lab(92.97, -15.71, 52.57) |
| CIE-LCH | lch(92.97, 54.86, 106.64°) |
| OKLab | oklab(93.39% -0.0448 0.1255) |
| OKLCH | oklch(93.39% 0.133 109.6) |
| XYZ | xyz(71.1500, 82.9015, 33.7219) |
| Luminance | 0.8290 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Manilla
#FFFA86
ΔE00 2.85
Yellowish Tan
#FCFC81
ΔE00 2.85
Straw
#FCF679
ΔE00 3.14
Pale Yellow
#FFFF84
ΔE00 3.34
Butter
#FFFF81
ΔE00 3.51
Faded Yellow
#FEFF7F
ΔE00 3.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#EFF183 #8583F1
analogous
#F1BC83 #EFF183 #B8F183
triadic
#EFF183 #83EFF1 #F183EF
tetradic
#EFF183 #83F1BC #8583F1 #F183B8
square
#EFF183 #83F1BC #8583F1 #F183B8
split-complementary
#EFF183 #83B8F1 #BC83F1
monochromatic
#DDE019 #E8EB4C #EFF183 #F6F7BA #FBFCE4
Accessibility & contrast
On white
1.19
#EFF183 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.58
#EFF183 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #EFF183
17.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##EFF183 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##EFF183 | 1.00 | 1.19 | 17.58 | 17.58 |
| #FFFFFF | 1.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 17.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 17.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE97A
Deuteranopia (green-blind)
#FFED88
Tritanopia (blue-blind)
#FCE5D7
Achromatopsia (no color)
#EBEBEB
Design tokens & code
CSS
--color: #eff183; /* rgb */ color: rgb(239, 241, 131); /* oklch */ color: oklch(93.4% 0.133 109.6);
Tailwind
colors: {
custom: {
50: '#f6f5a9',
500: '#eff183',
950: '#000000',
},
}SCSS
$custom: #eff183; $custom-light: #f6f5a9; $custom-dark: #000000;
JSON
{
"hex": "#eff183",
"rgb": {
"r": 239,
"g": 241,
"b": 131
},
"hsl": {
"h": 61.091,
"s": 79.71,
"l": 72.941
},
"oklch": {
"l": 0.93393,
"c": 0.13327,
"h": 109.6
},
"luminance": 0.829
}Semantic roles & 50–950 ramp
primary
#EFF183
secondary
#4E4CCC
accent
#09DC0D
background
#FFFFFD
surface
#FFFEF7
border
#D7D6D0
text
#171710
muted
#858581