#ECFD8B#ECFD8B
#ECFD8B is a very light, vivid yellow. Relative luminance 0.899; OKLCH L 95.8% C 0.140 H 116.1°. Best body text is #000000 at 18.99:1 contrast (WCAG AA passes).
Color values
| HEX | #ECFD8B |
|---|---|
| RGB | rgb(236, 253, 139) |
| HSL | hsl(69, 97%, 77%) |
| HSV | hsv(69, 45%, 99%) |
| CMYK | cmyk(6.7%, 0%, 45.1%, 0.8%) |
| CIE-LAB | lab(95.98, -21.89, 52.42) |
| CIE-LCH | lch(95.98, 56.81, 112.67°) |
| OKLab | oklab(95.77% -0.0616 0.1258) |
| OKLCH | oklch(95.77% 0.14 116.1) |
| XYZ | xyz(74.3783, 89.9483, 37.8646) |
| Luminance | 0.8995 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Yellowish Tan
#FCFC81
ΔE00 4.30
Pale Yellow
#FFFF84
ΔE00 4.38
Faded Yellow
#FEFF7F
ΔE00 4.46
Butter
#FFFF81
ΔE00 4.55
Banana (survey)
#FFFF7E
ΔE00 4.74
Light Yellow
#FFFE7A
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#ECFD8B #9C8BFD
analogous
#FDD58B #ECFD8B #B3FD8B
triadic
#ECFD8B #8BECFD #FD8BEC
tetradic
#ECFD8B #8BFDD5 #9C8BFD #FD8BB3
square
#ECFD8B #8BFDD5 #9C8BFD #FD8BB3
split-complementary
#ECFD8B #8BB3FD #D58BFD
monochromatic
#D8FB13 #E2FC4F #ECFD8B #F6FEC7 #FAFEE1
Accessibility & contrast
On white
1.11
#ECFD8B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
18.99
#ECFD8B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #ECFD8B
18.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##ECFD8B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##ECFD8B | 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)
#FFF381
Deuteranopia (green-blind)
#FFF491
Tritanopia (blue-blind)
#F7F2E2
Achromatopsia (no color)
#F3F3F3
Design tokens & code
CSS
--color: #ecfd8b; /* rgb */ color: rgb(236, 253, 139); /* oklch */ color: oklch(95.8% 0.140 116.1);
Tailwind
colors: {
custom: {
50: '#f4feaf',
500: '#ecfd8b',
950: '#000000',
},
}SCSS
$custom: #ecfd8b; $custom-light: #f4feaf; $custom-dark: #000000;
JSON
{
"hex": "#ecfd8b",
"rgb": {
"r": 236,
"g": 253,
"b": 139
},
"hsl": {
"h": 68.947,
"s": 96.61,
"l": 76.863
},
"oklch": {
"l": 0.95767,
"c": 0.14003,
"h": 116.1
},
"luminance": 0.89948
}Semantic roles & 50–950 ramp
primary
#ECFD8B
secondary
#644FDD
accent
#00E622
background
#FFFFFD
surface
#FEFFF7
border
#D6D7D0
text
#171710
muted
#858581