#CEF55B#CEF55B
#CEF55B is a very light, vivid yellow-green. Relative luminance 0.792; OKLCH L 91.4% C 0.183 H 122.2°. Best body text is #000000 at 16.84:1 contrast (WCAG AA passes).
Color values
| HEX | #CEF55B |
|---|---|
| RGB | rgb(206, 245, 91) |
| HSL | hsl(75, 89%, 66%) |
| HSV | hsv(75, 63%, 96%) |
| CMYK | cmyk(15.9%, 0%, 62.9%, 3.9%) |
| CIE-LAB | lab(91.32, -33.66, 67.64) |
| CIE-LCH | lch(91.32, 75.55, 116.46°) |
| OKLab | oklab(91.36% -0.0973 0.1545) |
| OKLCH | oklch(91.36% 0.183 122.2) |
| XYZ | xyz(59.9950, 79.1818, 22.0185) |
| Luminance | 0.7918 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Pear
#CBF85F
ΔE00 1.18
Yellow Green
#C8FD3D
ΔE00 3.21
Yellowy Green
#BFF128
ΔE00 3.50
Chartreuse (survey)
#C1F80A
ΔE00 4.45
Greeny Yellow
#C6F808
ΔE00 4.47
Lemon Lime
#BFFE28
ΔE00 4.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CEF55B #825BF5
analogous
#F5CF5B #CEF55B #81F55B
triadic
#CEF55B #5BCEF5 #F55BCE
tetradic
#CEF55B #5BF5CF #825BF5 #F55B81
square
#CEF55B #5BF5CF #825BF5 #F55B81
split-complementary
#CEF55B #5B81F5 #CF5BF5
monochromatic
#99C90C #BDF121 #CEF55B #DFF995 #F0FCCE
Accessibility & contrast
On white
1.25
#CEF55B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.84
#CEF55B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #CEF55B
16.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CEF55B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CEF55B | 1.00 | 1.25 | 16.84 | 16.84 |
| #FFFFFF | 1.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.84 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.84 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFE747
Deuteranopia (green-blind)
#FEE666
Tritanopia (blue-blind)
#D8E9D5
Achromatopsia (no color)
#E6E6E6
Design tokens & code
CSS
--color: #cef55b; /* rgb */ color: rgb(206, 245, 91); /* oklch */ color: oklch(91.4% 0.183 122.2);
Tailwind
colors: {
custom: {
50: '#e0f890',
500: '#cef55b',
950: '#000000',
},
}SCSS
$custom: #cef55b; $custom-light: #e0f890; $custom-dark: #000000;
JSON
{
"hex": "#cef55b",
"rgb": {
"r": 206,
"g": 245,
"b": 91
},
"hsl": {
"h": 75.195,
"s": 88.506,
"l": 65.882
},
"oklch": {
"l": 0.9136,
"c": 0.18256,
"h": 122.2
},
"luminance": 0.79182
}Semantic roles & 50–950 ramp
primary
#CEF55B
secondary
#552EC6
accent
#00E53A
background
#FEFFFC
surface
#FCFFF4
border
#D5D7CE
text
#16170D
muted
#84857F