#EFF39F#EFF39F
#EFF39F is a very light, moderate yellow. Relative luminance 0.850; OKLCH L 94.2% C 0.106 H 110.6°. Best body text is #000000 at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #EFF39F |
|---|---|
| RGB | rgb(239, 243, 159) |
| HSL | hsl(63, 78%, 79%) |
| HSV | hsv(63, 35%, 95%) |
| CMYK | cmyk(1.6%, 0%, 34.6%, 4.7%) |
| CIE-LAB | lab(93.86, -13.77, 40.12) |
| CIE-LCH | lch(93.86, 42.42, 108.95°) |
| OKLab | oklab(94.23% -0.0371 0.0989) |
| OKLCH | oklch(94.23% 0.106 110.6) |
| XYZ | xyz(73.9058, 84.9563, 45.2991) |
| Luminance | 0.8496 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Light Khaki
#E6F2A2
ΔE00 2.29
Parchment
#FEFCAF
ΔE00 2.89
Buff
#FEF69E
ΔE00 3.42
Creme
#FFFFB6
ΔE00 3.51
Light Beige
#FFFEB6
ΔE00 3.57
Dark Cream
#FFF39A
ΔE00 4.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#EFF39F #A39FF3
analogous
#F3CD9F #EFF39F #C5F39F
triadic
#EFF39F #9FEFF3 #F39FEF
tetradic
#EFF39F #9FF3CD #A39FF3 #F39FC5
square
#EFF39F #9FF3CD #A39FF3 #F39FC5
split-complementary
#EFF39F #9FC5F3 #CD9FF3
monochromatic
#DDE532 #E6EC69 #EFF39F #F8FAD5 #FAFCE4
Accessibility & contrast
On white
1.17
#EFF39F on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.99
#EFF39F on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #EFF39F
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##EFF39F | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##EFF39F | 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)
#FFEC99
Deuteranopia (green-blind)
#FFEFA3
Tritanopia (blue-blind)
#FAE9DE
Achromatopsia (no color)
#EDEDED
Design tokens & code
CSS
--color: #eff39f; /* rgb */ color: rgb(239, 243, 159); /* oklch */ color: oklch(94.2% 0.106 110.6);
Tailwind
colors: {
custom: {
50: '#f5f7bc',
500: '#eff39f',
950: '#000000',
},
}SCSS
$custom: #eff39f; $custom-light: #f5f7bc; $custom-dark: #000000;
JSON
{
"hex": "#eff39f",
"rgb": {
"r": 239,
"g": 243,
"b": 159
},
"hsl": {
"h": 62.857,
"s": 77.778,
"l": 78.824
},
"oklch": {
"l": 0.94226,
"c": 0.10561,
"h": 110.6
},
"luminance": 0.84955
}Semantic roles & 50–950 ramp
primary
#EFF39F
secondary
#6A65D1
accent
#0BDA15
background
#FFFFFD
surface
#FEFEF8
border
#D6D6D1
text
#171712
muted
#858582