#ECF589#ECF589
#ECF589 is a very light, vivid yellow. Relative luminance 0.849; OKLCH L 94.1% C 0.132 H 112.8°. Best body text is #000000 at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #ECF589 |
|---|---|
| RGB | rgb(236, 245, 137) |
| HSL | hsl(65, 84%, 75%) |
| HSV | hsv(65, 44%, 96%) |
| CMYK | cmyk(3.7%, 0%, 44.1%, 3.9%) |
| CIE-LAB | lab(93.86, -18.24, 50.76) |
| CIE-LCH | lch(93.86, 53.94, 109.77°) |
| OKLab | oklab(94.07% -0.0513 0.122) |
| OKLCH | oklch(94.07% 0.132 112.8) |
| XYZ | xyz(71.7608, 84.9450, 36.2778) |
| Luminance | 0.8494 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Yellowish Tan
#FCFC81
ΔE00 3.53
Pale Yellow
#FFFF84
ΔE00 3.84
Manilla
#FFFA86
ΔE00 3.97
Faded Yellow
#FEFF7F
ΔE00 4.06
Butter
#FFFF81
ΔE00 4.06
Banana (survey)
#FFFF7E
ΔE00 4.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#ECF589 #9289F5
analogous
#F5C889 #ECF589 #B6F589
triadic
#ECF589 #89ECF5 #F589EC
tetradic
#ECF589 #89F5C8 #9289F5 #F589B6
square
#ECF589 #89F5C8 #9289F5 #F589B6
split-complementary
#ECF589 #89B6F5 #C889F5
monochromatic
#DAEB18 #E3F051 #ECF589 #F5FAC1 #FAFDE3
Accessibility & contrast
On white
1.17
#ECF589 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.99
#ECF589 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #ECF589
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##ECF589 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##ECF589 | 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)
#FFEC80
Deuteranopia (green-blind)
#FFEF8E
Tritanopia (blue-blind)
#F8EADB
Achromatopsia (no color)
#EDEDED
Design tokens & code
CSS
--color: #ecf589; /* rgb */ color: rgb(236, 245, 137); /* oklch */ color: oklch(94.1% 0.132 112.8);
Tailwind
colors: {
custom: {
50: '#f4f8ad',
500: '#ecf589',
950: '#000000',
},
}SCSS
$custom: #ecf589; $custom-light: #f4f8ad; $custom-dark: #000000;
JSON
{
"hex": "#ecf589",
"rgb": {
"r": 236,
"g": 245,
"b": 137
},
"hsl": {
"h": 65,
"s": 84.375,
"l": 74.902
},
"oklch": {
"l": 0.94069,
"c": 0.13233,
"h": 112.8
},
"luminance": 0.84944
}Semantic roles & 50–950 ramp
primary
#ECF589
secondary
#5B50D2
accent
#05E117
background
#FFFFFD
surface
#FEFEF7
border
#D6D6D0
text
#171710
muted
#858581