#CEF366#CEF366
#CEF366 is a very light, vivid yellow-green. Relative luminance 0.782; OKLCH L 91.0% C 0.172 H 122.2°. Best body text is #000000 at 16.64:1 contrast (WCAG AA passes).
Color values
| HEX | #CEF366 |
|---|---|
| RGB | rgb(206, 243, 102) |
| HSL | hsl(76, 85%, 68%) |
| HSV | hsv(76, 58%, 95%) |
| CMYK | cmyk(15.2%, 0%, 58%, 4.7%) |
| CIE-LAB | lab(90.86, -31.93, 62.60) |
| CIE-LCH | lch(90.86, 70.27, 117.03°) |
| OKLab | oklab(91.02% -0.0915 0.1451) |
| OKLCH | oklch(91.02% 0.172 122.2) |
| XYZ | xyz(59.9030, 78.1822, 24.5026) |
| Luminance | 0.7818 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Pear
#CBF85F
ΔE00 1.63
Light Yellow Green
#CCFD7F
ΔE00 3.81
Yellow Green
#C8FD3D
ΔE00 4.41
Yellowy Green
#BFF128
ΔE00 4.59
Pale Lime
#BEFD73
ΔE00 4.69
Light Lime Green
#B9FF66
ΔE00 5.10
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CEF366 #8B66F3
analogous
#F3D266 #CEF366 #87F366
triadic
#CEF366 #66CEF3 #F366CE
tetradic
#CEF366 #66F3D2 #8B66F3 #F36687
square
#CEF366 #66F3D2 #8B66F3 #F36687
split-complementary
#CEF366 #6687F3 #D266F3
monochromatic
#9CCE10 #BCEF2D #CEF366 #E0F79F #F2FCD7
Accessibility & contrast
On white
1.26
#CEF366 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.64
#CEF366 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #CEF366
16.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CEF366 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CEF366 | 1.00 | 1.26 | 16.64 | 16.64 |
| #FFFFFF | 1.26 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE657
Deuteranopia (green-blind)
#FBE56F
Tritanopia (blue-blind)
#D7E8D5
Achromatopsia (no color)
#E5E5E5
Design tokens & code
CSS
--color: #cef366; /* rgb */ color: rgb(206, 243, 102); /* oklch */ color: oklch(91.0% 0.172 122.2);
Tailwind
colors: {
custom: {
50: '#e0f796',
500: '#cef366',
950: '#000000',
},
}SCSS
$custom: #cef366; $custom-light: #e0f796; $custom-dark: #000000;
JSON
{
"hex": "#cef366",
"rgb": {
"r": 206,
"g": 243,
"b": 102
},
"hsl": {
"h": 75.745,
"s": 85.455,
"l": 67.647
},
"oklch": {
"l": 0.91024,
"c": 0.17152,
"h": 122.2
},
"luminance": 0.78182
}Semantic roles & 50–950 ramp
primary
#CEF366
secondary
#5B33CA
accent
#04E23E
background
#FEFFFC
surface
#FCFEF5
border
#D5D6CF
text
#16170E
muted
#84857F