#ACE55B#ACE55B
#ACE55B is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.5% C 0.177 H 128.6°. Best body text is #000000 at 14.11:1 contrast (WCAG AA passes).
Color values
| HEX | #ACE55B |
|---|---|
| RGB | rgb(172, 229, 91) |
| HSL | hsl(85, 73%, 63%) |
| HSV | hsv(85, 60%, 90%) |
| CMYK | cmyk(24.9%, 0%, 60.3%, 10.2%) |
| CIE-LAB | lab(84.77, -39.20, 59.91) |
| CIE-LCH | lch(84.77, 71.60, 123.20°) |
| OKLab | oklab(85.53% -0.1107 0.1387) |
| OKLCH | oklch(85.53% 0.177 128.6) |
| XYZ | xyz(46.9207, 65.5636, 20.0785) |
| Luminance | 0.6556 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Kiwi
#9CEF43
ΔE00 3.89
Kiwi Green
#8EE53F
ΔE00 4.02
Spring Green (survey)
#A9F971
ΔE00 5.07
Pale Lime
#BEFD73
ΔE00 5.16
Light Grass Green
#9AF764
ΔE00 5.37
Light Lime
#AEFD6C
ΔE00 5.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#ACE55B #945BE5
analogous
#E5D95B #ACE55B #67E55B
triadic
#ACE55B #5BACE5 #E55BAC
tetradic
#ACE55B #5BE5D9 #945BE5 #E55B67
square
#ACE55B #5BE5D9 #945BE5 #E55B67
split-complementary
#ACE55B #5B67E5 #D95BE5
monochromatic
#6FAB1B #91DD26 #ACE55B #C7ED90 #E1F6C5
Accessibility & contrast
On white
1.49
#ACE55B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
14.11
#ACE55B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #ACE55B
14.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##ACE55B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##ACE55B | 1.00 | 1.49 | 14.11 | 14.11 |
| #FFFFFF | 1.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 14.11 | 21.00 | 1.00 | 1.00 |
| ##000000 | 14.11 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#EFD64B
Deuteranopia (green-blind)
#E7D265
Tritanopia (blue-blind)
#B1DCC8
Achromatopsia (no color)
#D4D4D4
Design tokens & code
CSS
--color: #ace55b; /* rgb */ color: rgb(172, 229, 91); /* oklch */ color: oklch(85.5% 0.177 128.6);
Tailwind
colors: {
custom: {
50: '#c8ed8e',
500: '#ace55b',
950: '#000000',
},
}SCSS
$custom: #ace55b; $custom-light: #c8ed8e; $custom-dark: #000000;
JSON
{
"hex": "#ace55b",
"rgb": {
"r": 172,
"g": 229,
"b": 91
},
"hsl": {
"h": 84.783,
"s": 72.632,
"l": 62.745
},
"oklch": {
"l": 0.85534,
"c": 0.17741,
"h": 128.6
},
"luminance": 0.65565
}Semantic roles & 50–950 ramp
primary
#ACE55B
secondary
#6838AC
accent
#11D562
background
#FEFFFC
surface
#FAFEF4
border
#D3D6CE
text
#13160D
muted
#83857F