#CEEF51#CEEF51
#CEEF51 is a very light, vivid yellow-green. Relative luminance 0.754; OKLCH L 90.0% C 0.183 H 120.4°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).
Color values
| HEX | #CEEF51 |
|---|---|
| RGB | rgb(206, 239, 81) |
| HSL | hsl(73, 83%, 63%) |
| HSV | hsv(73, 66%, 94%) |
| CMYK | cmyk(13.8%, 0%, 66.1%, 6.3%) |
| CIE-LAB | lab(89.60, -31.56, 69.73) |
| CIE-LCH | lch(89.60, 76.54, 114.35°) |
| OKLab | oklab(89.96% -0.0924 0.1575) |
| OKLCH | oklch(89.96% 0.183 120.4) |
| XYZ | xyz(57.8062, 75.4491, 19.3008) |
| Luminance | 0.7545 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Pear
#CBF85F
ΔE00 2.84
Yellowy Green
#BFF128
ΔE00 3.24
Yellow Green
#C8FD3D
ΔE00 3.97
Greeny Yellow
#C6F808
ΔE00 4.32
Sickly Yellow
#D0E429
ΔE00 4.33
Chartreuse (survey)
#C1F80A
ΔE00 4.49
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CEEF51 #7251EF
analogous
#EFC151 #CEEF51 #7FEF51
triadic
#CEEF51 #51CEEF #EF51CE
tetradic
#CEEF51 #51EFC1 #7251EF #EF517F
square
#CEEF51 #51EFC1 #7251EF #EF517F
split-complementary
#CEEF51 #517FEF #C151EF
monochromatic
#93B511 #BEEA19 #CEEF51 #DEF489 #EEF9C1
Accessibility & contrast
On white
1.31
#CEEF51 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.09
#CEEF51 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #CEEF51
16.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CEEF51 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CEEF51 | 1.00 | 1.31 | 16.09 | 16.09 |
| #FFFFFF | 1.31 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FDE23A
Deuteranopia (green-blind)
#F9E25D
Tritanopia (blue-blind)
#D9E3CF
Achromatopsia (no color)
#E1E1E1
Design tokens & code
CSS
--color: #ceef51; /* rgb */ color: rgb(206, 239, 81); /* oklch */ color: oklch(90.0% 0.183 120.4);
Tailwind
colors: {
custom: {
50: '#e0f48a',
500: '#ceef51',
950: '#000000',
},
}SCSS
$custom: #ceef51; $custom-light: #e0f48a; $custom-dark: #000000;
JSON
{
"hex": "#ceef51",
"rgb": {
"r": 206,
"g": 239,
"b": 81
},
"hsl": {
"h": 72.532,
"s": 83.158,
"l": 62.745
},
"oklch": {
"l": 0.89956,
"c": 0.18259,
"h": 120.4
},
"luminance": 0.75449
}Semantic roles & 50–950 ramp
primary
#CEEF51
secondary
#4B30B5
accent
#06E033
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#16170C
muted
#84857F