#91A09E
Closest named color: Cool Grey (#95A3A6). oklch(69.3% 0.017 187.1), rgb(145, 160, 158).
Aa
Black text reads best on this color (7.72:1).
About this color
#91A09E is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.014 away. Black text reads best on it, at 7.72:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #91A09E |
| RGB | rgb(145, 160, 158) |
| HSL | hsl(172, 7%, 60%) |
| OKLCH | oklch(69.3% 0.017 187.1) |
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 #91A09E | 2.71:1 | Fails | Lc -57.9 | Large or bold text, headings |
| Black text on #91A09E | 7.72:1 | AAA | Lc 51.4 | Large or bold text, headings |
| #91A09E text on white | 2.71:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #91A09E text on black | 7.72:1 | AAA | Lc -49.2 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DADA
oklch(88.5% 0.005 197.1)
-
Step 300
300
#B9C3C2
oklch(80.9% 0.011 189.8)
-
Step 400
400 (this color)
#91A09E
oklch(69.3% 0.017 187.1)
-
Step 500
500
#7B8E8C
oklch(63.1% 0.022 188.9)
-
Step 600
600
#647876
oklch(55.6% 0.024 189.1)
-
Step 700
700
#536563
oklch(49.1% 0.022 188.2)
-
Step 800
800
#445251
oklch(42.6% 0.018 191.2)
-
Step 900
900
#394443
oklch(37.6% 0.014 189.8)
-
Step 950
950
#222827
oklch(27.1% 0.009 184.6)
#91A09E 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) | #9E9E9E | 0.018 |
| Deuteranopia (no green cones) | #9B9C9E | 0.017 |
| Tritanopia (no blue cones) | #8DA19F | 0.006 |
| Achromatopsia (no color) | #9D9D9D | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A09E
#91A09E
oklch(69.3% 0.017 187.1)
- #A7989A
#A7989A
oklch(69.3% 0.018 8.4)
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 #91A09E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.014
- Pewter #96A8A1 ΔE 0.024
- Bluey Grey #89A0B0 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.030
- Cool Steel #97A7B3 ΔE 0.033
- Cement #A5A391 ΔE 0.035
- Cool Gray #8D99AE ΔE 0.036
- Greyblue #77A1B5 ΔE 0.044
Use #91A09E 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.