#CFEF51#CFEF51
#CFEF51 is a very light, vivid yellow-green. Relative luminance 0.756; OKLCH L 90.0% C 0.182 H 120.1°. Best body text is #000000 at 16.12:1 contrast (WCAG AA passes).
Color values
| HEX | #CFEF51 |
|---|---|
| RGB | rgb(207, 239, 81) |
| HSL | hsl(72, 83%, 63%) |
| HSV | hsv(72, 66%, 94%) |
| CMYK | cmyk(13.4%, 0%, 66.1%, 6.3%) |
| CIE-LAB | lab(89.67, -31.17, 69.82) |
| CIE-LCH | lch(89.67, 76.46, 114.06°) |
| OKLab | oklab(90.03% -0.0913 0.1577) |
| OKLCH | oklch(90.03% 0.182 120.1) |
| XYZ | xyz(58.0848, 75.5927, 19.3139) |
| Luminance | 0.7559 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Pear
#CBF85F
ΔE00 2.98
Yellowy Green
#BFF128
ΔE00 3.34
Yellow Green
#C8FD3D
ΔE00 4.05
Sickly Yellow
#D0E429
ΔE00 4.21
Greeny Yellow
#C6F808
ΔE00 4.36
Chartreuse (survey)
#C1F80A
ΔE00 4.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CFEF51 #7151EF
analogous
#EFC051 #CFEF51 #80EF51
triadic
#CFEF51 #51CFEF #EF51CF
tetradic
#CFEF51 #51EFC0 #7151EF #EF5180
square
#CFEF51 #51EFC0 #7151EF #EF5180
split-complementary
#CFEF51 #5180EF #C051EF
monochromatic
#94B511 #C0EA19 #CFEF51 #DEF489 #EEF9C1
Accessibility & contrast
On white
1.30
#CFEF51 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
16.12
#CFEF51 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #CFEF51
16.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CFEF51 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CFEF51 | 1.00 | 1.30 | 16.12 | 16.12 |
| #FFFFFF | 1.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 16.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 16.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FEE23A
Deuteranopia (green-blind)
#FAE25D
Tritanopia (blue-blind)
#DAE3CF
Achromatopsia (no color)
#E1E1E1
Design tokens & code
CSS
--color: #cfef51; /* rgb */ color: rgb(207, 239, 81); /* oklch */ color: oklch(90.0% 0.182 120.1);
Tailwind
colors: {
custom: {
50: '#e1f48a',
500: '#cfef51',
950: '#000000',
},
}SCSS
$custom: #cfef51; $custom-light: #e1f48a; $custom-dark: #000000;
JSON
{
"hex": "#cfef51",
"rgb": {
"r": 207,
"g": 239,
"b": 81
},
"hsl": {
"h": 72.152,
"s": 83.158,
"l": 62.745
},
"oklch": {
"l": 0.90027,
"c": 0.18222,
"h": 120.1
},
"luminance": 0.75592
}Semantic roles & 50–950 ramp
primary
#CFEF51
secondary
#4B30B5
accent
#06E032
background
#FEFFFC
surface
#FCFEF4
border
#D5D6CE
text
#16170C
muted
#84857F