#AEC9BF
Closest named color: Ash Gray (#BFC8AD). oklch(81.3% 0.032 171.2), rgb(174, 201, 191).
Aa
Black text reads best on this color (11.90:1).
About this color
#AEC9BF is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.032 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Ash Gray (#BFC8AD), ΔE 0.030 away. Black text reads best on it, at 11.90:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Ash Gray (#BFC8AD) |
| Black text | 11.90:1 |
| White text | 1.76:1 |
Values
| HEX | #AEC9BF |
| RGB | rgb(174, 201, 191) |
| HSL | hsl(158, 20%, 74%) |
| OKLCH | oklch(81.3% 0.032 171.2) |
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 #AEC9BF | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #AEC9BF | 11.90:1 | AAA | Lc 71.5 | Content text, not long reading |
| #AEC9BF text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #AEC9BF text on black | 11.90:1 | AAA | Lc -70.3 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300 (this color)
#AEC9BF
oklch(81.3% 0.032 171.2)
-
Step 400
400
#80AB9C
oklch(70.6% 0.051 171.3)
-
Step 500
500
#5F9784
oklch(63.2% 0.066 170.6)
-
Step 600
600
#43816E
oklch(55.6% 0.072 171.5)
-
Step 700
700
#346D5C
oklch(49.1% 0.067 171.7)
-
Step 800
800
#2C594B
oklch(42.7% 0.056 171.2)
-
Step 900
900
#28493F
oklch(37.7% 0.043 172.5)
-
Step 950
950
#182B25
oklch(27% 0.027 172.2)
#AEC9BF 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) | #C7C5BF | 0.034 |
| Deuteranopia (no green cones) | #C2C1C0 | 0.033 |
| Tritanopia (no blue cones) | #A8CAC6 | 0.011 |
| Achromatopsia (no color) | #C3C3C3 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEC9BF
#AEC9BF
oklch(81.3% 0.032 171.2)
- #D3BAC4
#D3BAC4
oklch(81.3% 0.031 351.7)
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 #AEC9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ash Gray #BFC8AD ΔE 0.030
- Silver #C0C0C0 ΔE 0.033
- Tiffany Blue #94D2BD ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.047
- Celeste #A8DADC ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.053
- French Gray #ADB5BD ΔE 0.054
Use #AEC9BF 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.