#91A1AA
Closest named color: Cool Grey (#95A3A6). oklch(69.9% 0.022 232.3), rgb(145, 161, 170).
Aa
Black text reads best on this color (7.88:1).
About this color
#91A1AA is a medium-light close to neutral grey. In OKLCH its lightness is 70%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.011 away. Black text reads best on it, at 7.88:1.
| Hue family | Neutrals |
| Lightness | medium-light (70%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #91A1AA |
| RGB | rgb(145, 161, 170) |
| HSL | hsl(202, 13%, 62%) |
| OKLCH | oklch(69.9% 0.022 232.3) |
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 #91A1AA | 2.66:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #91A1AA | 7.88:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #91A1AA text on white | 2.66:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #91A1AA text on black | 7.88:1 | AAA | Lc -50.1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADD
oklch(88.5% 0.008 228.9)
-
Step 300
300
#B8C2C8
oklch(80.8% 0.014 233.8)
-
Step 400
400 (this color)
#91A1AA
oklch(69.9% 0.022 232.3)
-
Step 500
500
#798D98
oklch(63.1% 0.028 231.9)
-
Step 600
600
#627783
oklch(55.7% 0.031 233.1)
-
Step 700
700
#51646F
oklch(49.2% 0.029 233.6)
-
Step 800
800
#42525A
oklch(42.8% 0.024 229.6)
-
Step 900
900
#38444A
oklch(37.8% 0.019 229.5)
-
Step 950
950
#21282B
oklch(27.1% 0.011 225.5)
#91A1AA 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) | #9DA0AB | 0.017 |
| Deuteranopia (no green cones) | #999DAA | 0.015 |
| Tritanopia (no blue cones) | #8BA4A4 | 0.016 |
| Achromatopsia (no color) | #9E9E9E | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A1AA
#91A1AA
oklch(69.9% 0.022 232.3)
- #AA9B92
#AA9B92
oklch(70% 0.022 53.1)
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 #91A1AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.011
- Bluey Grey #89A0B0 ΔE 0.014
- Bluegrey #85A3B2 ΔE 0.018
- Cool Steel #97A7B3 ΔE 0.021
- Cool Gray #8D99AE ΔE 0.026
- Pewter #96A8A1 ΔE 0.028
- Greyblue #77A1B5 ΔE 0.035
- Dark Gray #A9A9A9 ΔE 0.042
Use #91A1AA 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.