#AAC3BF
Closest named color: Silver (#C0C0C0). oklch(79.7% 0.028 185), rgb(170, 195, 191).
Aa
Black text reads best on this color (11.26:1).
About this color
#AAC3BF is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Silver (#C0C0C0), ΔE 0.030 away. Black text reads best on it, at 11.26:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Silver (#C0C0C0) |
| Black text | 11.26:1 |
| White text | 1.86:1 |
Values
| HEX | #AAC3BF |
| RGB | rgb(170, 195, 191) |
| HSL | hsl(170, 17%, 72%) |
| OKLCH | oklch(79.7% 0.028 185) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #AAC3BF | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #AAC3BF | 11.26:1 | AAA | Lc 68.7 | Content text, not long reading |
| #AAC3BF text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #AAC3BF text on black | 11.26:1 | AAA | Lc -67.3 | Content text, not long reading |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 300.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CFDDDA
oklch(88.6% 0.016 181.7)
-
Step 300
300 (this color)
#AAC3BF
oklch(79.7% 0.028 185)
-
Step 400
400
#82AAA4
oklch(70.7% 0.044 184.9)
-
Step 500
500
#61958E
oklch(63.1% 0.057 185.2)
-
Step 600
600
#467F78
oklch(55.5% 0.061 185.4)
-
Step 700
700
#376B65
oklch(49% 0.057 185.8)
-
Step 800
800
#2E5852
oklch(42.8% 0.048 183.8)
-
Step 900
900
#2A4844
oklch(37.7% 0.037 185.1)
-
Step 950
950
#192A28
oklch(26.9% 0.023 186.7)
#AAC3BF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C0C0BF | 0.029 |
| Deuteranopia (no green cones) | #BBBCBF | 0.028 |
| Tritanopia (no blue cones) | #A4C4C2 | 0.008 |
| Achromatopsia (no color) | #BEBEBE | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAC3BF
#AAC3BF
oklch(79.7% 0.028 185)
- #CEB6BA
#CEB6BA
oklch(79.8% 0.028 6.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AAC3BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver #C0C0C0 ΔE 0.030
- French Gray #ADB5BD ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.039
- Ash Gray #BFC8AD ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.045
- Tiffany Blue #94D2BD ΔE 0.047
Use #AAC3BF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.