#AEC1BF
Closest named color: Silver (#C0C0C0). oklch(79.6% 0.021 189.1), rgb(174, 193, 191).
Aa
Black text reads best on this color (11.18:1).
About this color
#AEC1BF is a light close to neutral grey. In OKLCH its lightness is 80%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Silver (#C0C0C0), ΔE 0.024 away. Black text reads best on it, at 11.18:1.
| Hue family | Neutrals |
| Lightness | light (80%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Silver (#C0C0C0) |
| Black text | 11.18:1 |
| White text | 1.87:1 |
Values
| HEX | #AEC1BF |
| RGB | rgb(174, 193, 191) |
| HSL | hsl(174, 13%, 72%) |
| OKLCH | oklch(79.6% 0.021 189.1) |
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 #AEC1BF | 1.87:1 | Fails | Lc -39.8 | Non-text elements, placeholder text |
| Black text on #AEC1BF | 11.18:1 | AAA | Lc 68.3 | Content text, not long reading |
| #AEC1BF text on white | 1.87:1 | Fails | Lc 35.6 | Non-text elements, placeholder text |
| #AEC1BF text on black | 11.18:1 | AAA | Lc -66.9 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D1DCDA
oklch(88.6% 0.012 184)
-
Step 300
300 (this color)
#AEC1BF
oklch(79.6% 0.021 189.1)
-
Step 400
400
#89A8A5
oklch(70.7% 0.034 189.2)
-
Step 500
500
#6C928F
oklch(63.1% 0.042 190.1)
-
Step 600
600
#537C79
oklch(55.5% 0.046 190.1)
-
Step 700
700
#436966
oklch(49.1% 0.043 189.6)
-
Step 800
800
#375653
oklch(42.8% 0.037 188.2)
-
Step 900
900
#304745
oklch(37.8% 0.029 189.2)
-
Step 950
950
#1C2928
oklch(26.9% 0.018 190.2)
#AEC1BF 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) | #BFBFBF | 0.023 |
| Deuteranopia (no green cones) | #BBBCBF | 0.021 |
| Tritanopia (no blue cones) | #A9C2C0 | 0.006 |
| Achromatopsia (no color) | #BDBDBD | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC1BF
#AEC1BF
oklch(79.6% 0.021 189.1)
- #C9B7B9
#C9B7B9
oklch(79.5% 0.021 9.9)
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 #AEC1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver #C0C0C0 ΔE 0.024
- French Gray #ADB5BD ΔE 0.032
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.042
- Ash Gray #BFC8AD ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #AEC1BF 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.