#ECFF50#ECFF50
#ECFF50 is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.6% C 0.191 H 115.5°. Best body text is #000000 at 18.99:1 contrast (WCAG AA passes).
Color values
| HEX | #ECFF50 |
|---|---|
| RGB | rgb(236, 255, 80) |
| HSL | hsl(67, 100%, 66%) |
| HSV | hsv(67, 69%, 100%) |
| CMYK | cmyk(7.5%, 0%, 68.6%, 0%) |
| CIE-LAB | lab(95.97, -27.25, 77.20) |
| CIE-LCH | lch(95.97, 81.86, 109.44°) |
| OKLab | oklab(95.59% -0.0821 0.1723) |
| OKLCH | oklch(95.59% 0.191 115.5) |
| XYZ | xyz(71.8019, 89.9332, 21.1642) |
| Luminance | 0.8993 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Banana Yellow
#FAFE4B
ΔE00 3.18
Canary
#FDFF63
ΔE00 3.49
Lemon (survey)
#FDFF52
ΔE00 3.49
Off Yellow
#F1F33F
ΔE00 4.09
Lemon Yellow
#FDFF38
ΔE00 4.25
Canary Yellow
#FFFE40
ΔE00 4.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#ECFF50 #6350FF
analogous
#FFBA50 #ECFF50 #94FF50
triadic
#ECFF50 #50ECFF #FF50EC
tetradic
#ECFF50 #50FFBA #6350FF #FF5094
square
#ECFF50 #50FFBA #6350FF #FF5094
split-complementary
#ECFF50 #5094FF #BA50FF
monochromatic
#BED500 #E5FF13 #ECFF50 #F3FF8D #F9FFCA
Accessibility & contrast
On white
1.11
#ECFF50 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
18.99
#ECFF50 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #ECFF50
18.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##ECFF50 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##ECFF50 | 1.00 | 1.11 | 18.99 | 18.99 |
| #FFFFFF | 1.11 | 1.00 | 21.00 | 21.00 |
| #000000 | 18.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 18.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFF233
Deuteranopia (green-blind)
#FFF55E
Tritanopia (blue-blind)
#FBF1DD
Achromatopsia (no color)
#F3F3F3
Design tokens & code
CSS
--color: #ecff50; /* rgb */ color: rgb(236, 255, 80); /* oklch */ color: oklch(95.6% 0.191 115.5);
Tailwind
colors: {
custom: {
50: '#f6ff8b',
500: '#ecff50',
950: '#000000',
},
}SCSS
$custom: #ecff50; $custom-light: #f6ff8b; $custom-dark: #000000;
JSON
{
"hex": "#ecff50",
"rgb": {
"r": 236,
"g": 255,
"b": 80
},
"hsl": {
"h": 66.514,
"s": 100,
"l": 65.686
},
"oklch": {
"l": 0.9559,
"c": 0.19091,
"h": 115.5
},
"luminance": 0.89932
}Semantic roles & 50–950 ramp
primary
#ECFF50
secondary
#3724CF
accent
#00E619
background
#FFFFFC
surface
#FFFFF4
border
#D7D7CE
text
#18170D
muted
#86857F