#CCFF51#CCFF51
#CCFF51 is a very light, highly saturated yellow-green. Relative luminance 0.850; OKLCH L 93.4% C 0.202 H 124.5°. Best body text is #000000 at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #CCFF51 |
|---|---|
| RGB | rgb(204, 255, 81) |
| HSL | hsl(78, 100%, 66%) |
| HSV | hsv(78, 68%, 100%) |
| CMYK | cmyk(20%, 0%, 68.2%, 0%) |
| CIE-LAB | lab(93.86, -39.57, 74.04) |
| CIE-LCH | lch(93.86, 83.95, 118.12°) |
| OKLab | oklab(93.36% -0.1144 0.1666) |
| OKLCH | oklch(93.36% 0.202 124.5) |
| XYZ | xyz(62.1475, 84.9509, 20.9060) |
| Luminance | 0.8495 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Yellow Green
#C8FD3D
ΔE00 1.37
Pear
#CBF85F
ΔE00 2.13
Lemon Lime
#BFFE28
ΔE00 2.51
Yellowgreen (survey)
#BBF90F
ΔE00 3.29
Chartreuse (survey)
#C1F80A
ΔE00 3.39
Lime Yellow
#D0FE1D
ΔE00 3.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#CCFF51 #8451FF
analogous
#FFDB51 #CCFF51 #75FF51
triadic
#CCFF51 #51CCFF #FF51CC
tetradic
#CCFF51 #51FFDB #8451FF #FF5175
square
#CCFF51 #51FFDB #8451FF #FF5175
split-complementary
#CCFF51 #5175FF #DB51FF
monochromatic
#97D600 #BAFF14 #CCFF51 #DEFF8E #F0FFCB
Accessibility & contrast
On white
1.17
#CCFF51 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
17.99
#CCFF51 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #CCFF51
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##CCFF51 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##CCFF51 | 1.00 | 1.17 | 17.99 | 17.99 |
| #FFFFFF | 1.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 17.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 17.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#FFEF35
Deuteranopia (green-blind)
#FFED5F
Tritanopia (blue-blind)
#D5F3DC
Achromatopsia (no color)
#EDEDED
Design tokens & code
CSS
--color: #ccff51; /* rgb */ color: rgb(204, 255, 81); /* oklch */ color: oklch(93.4% 0.202 124.5);
Tailwind
colors: {
custom: {
50: '#dfff8b',
500: '#ccff51',
950: '#000000',
},
}SCSS
$custom: #ccff51; $custom-light: #dfff8b; $custom-dark: #000000;
JSON
{
"hex": "#ccff51",
"rgb": {
"r": 204,
"g": 255,
"b": 81
},
"hsl": {
"h": 77.586,
"s": 100,
"l": 65.882
},
"oklch": {
"l": 0.9336,
"c": 0.20208,
"h": 124.5
},
"luminance": 0.84951
}Semantic roles & 50–950 ramp
primary
#CCFF51
secondary
#5725D0
accent
#00E643
background
#FEFFFC
surface
#FCFFF4
border
#D5D7CE
text
#16180D
muted
#84867F