#AAADB9
Closest named color: French Gray (#ADB5BD). oklch(74.9% 0.017 274.7), rgb(170, 173, 185).
Aa
Black text reads best on this color (9.38:1).
About this color
#AAADB9 is a medium-light close to neutral grey. In OKLCH its lightness is 75%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is French Gray (#ADB5BD), ΔE 0.022 away. Black text reads best on it, at 9.38:1.
| Hue family | Neutrals |
| Lightness | medium-light (75%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.38:1 |
| White text | 2.23:1 |
Values
| HEX | #AAADB9 |
| RGB | rgb(170, 173, 185) |
| HSL | hsl(228, 10%, 70%) |
| OKLCH | oklch(74.9% 0.017 274.7) |
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 #AAADB9 | 2.23:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #AAADB9 | 9.38:1 | AAA | Lc 59.9 | Large or bold text, headings |
| #AAADB9 text on white | 2.23:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #AAADB9 text on black | 9.38:1 | AAA | Lc -58.0 | Large or bold text, headings |
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 400.
-
Step 50
50
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D8D9DD
oklch(88.6% 0.006 275)
-
Step 300
300
#BEC0C8
oklch(80.9% 0.011 274.9)
-
Step 400
400 (this color)
#AAADB9
oklch(74.9% 0.017 274.7)
-
Step 500
500
#858997
oklch(63.1% 0.021 273.1)
-
Step 600
600
#6F7382
oklch(55.7% 0.024 273.8)
-
Step 700
700
#5D606E
oklch(49.1% 0.023 276)
-
Step 800
800
#4C4E59
oklch(42.6% 0.018 277.4)
-
Step 900
900
#3F414A
oklch(37.7% 0.016 275.7)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#AAADB9 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) | #AAAEBA | 0.003 |
| Deuteranopia (no green cones) | #A9ADB9 | 0.001 |
| Tritanopia (no blue cones) | #A7AFB1 | 0.015 |
| Achromatopsia (no color) | #ADADAD | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAADB9
#AAADB9
oklch(74.9% 0.017 274.7)
- #B1AEA2
#B1AEA2
oklch(75% 0.017 95.3)
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 #AAADB9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.022
- Dark Gray #A9A9A9 ΔE 0.022
- Cool Steel #97A7B3 ΔE 0.033
- Pewter #96A8A1 ΔE 0.046
- Pinkish Grey #C8ACA9 ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.047
- Cool Grey #95A3A6 ΔE 0.047
- Cement #A5A391 ΔE 0.057
Use #AAADB9 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.