#ECFA3D#ECFA3D
#ECFA3D is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.4% C 0.196 H 113.9°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).
Color values
| HEX | #ECFA3D |
|---|---|
| RGB | rgb(236, 250, 61) |
| HSL | hsl(64, 95%, 61%) |
| HSV | hsv(64, 76%, 98%) |
| CMYK | cmyk(5.6%, 0%, 75.6%, 2%) |
| CIE-LAB | lab(94.54, -25.76, 81.95) |
| CIE-LCH | lch(94.54, 85.91, 107.45°) |
| OKLab | oklab(94.41% -0.0796 0.1793) |
| OKLCH | oklch(94.41% 0.196 113.9) |
| XYZ | xyz(69.6221, 86.5424, 17.4508) |
| Luminance | 0.8654 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Banana Yellow
#FAFE4B
ΔE00 2.28
Off Yellow
#F1F33F
ΔE00 2.58
Lemon (survey)
#FDFF52
ΔE00 2.81
Lemon Yellow
#FDFF38
ΔE00 3.04
Canary Yellow
#FFFE40
ΔE00 3.38
Canary
#FDFF63
ΔE00 3.41
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#ECFA3D #4B3DFA
analogous
#FAA93D #ECFA3D #8EFA3D
triadic
#ECFA3D #3DECFA #FA3DEC
tetradic
#ECFA3D #3DFAA9 #4B3DFA #FA3D8E
square
#ECFA3D #3DFAA9 #4B3DFA #FA3D8E
split-complementary
#ECFA3D #3D8EFA #A93DFA
monochromatic
#ABB805 #E2F406 #ECFA3D #F2FC79 #F8FDB4
Accessibility & contrast
On white
1.15
#ECFA3D on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
18.31
#ECFA3D on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #ECFA3D
18.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##ECFA3D | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##ECFA3D | 1.00 | 1.15 | 18.31 | 18.31 |
| #FFFFFF | 1.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 18.31 | 21.00 | 1.00 | 1.00 |
| ##000000 | 18.31 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFEE00
Deuteranopia (green-blind)
#FFF14E
Tritanopia (blue-blind)
#FCEBD7
Achromatopsia (no color)
#EFEFEF
Design tokens & code
CSS
--color: #ecfa3d; /* rgb */ color: rgb(236, 250, 61); /* oklch */ color: oklch(94.4% 0.196 113.9);
Tailwind
colors: {
custom: {
50: '#f6fb81',
500: '#ecfa3d',
950: '#000000',
},
}SCSS
$custom: #ecfa3d; $custom-light: #f6fb81; $custom-dark: #000000;
JSON
{
"hex": "#ecfa3d",
"rgb": {
"r": 236,
"g": 250,
"b": 61
},
"hsl": {
"h": 64.444,
"s": 94.975,
"l": 60.98
},
"oklch": {
"l": 0.94414,
"c": 0.19617,
"h": 113.9
},
"luminance": 0.86541
}Semantic roles & 50–950 ramp
primary
#ECFA3D
secondary
#3025B6
accent
#00E611
background
#FFFFFB
surface
#FFFFF2
border
#D7D7CC
text
#18170B
muted
#86857E