#91A09C
Closest named color: Cool Grey (#95A3A6). oklch(69.3% 0.018 178), rgb(145, 160, 156).
Aa
Black text reads best on this color (7.71:1).
About this color
#91A09C is a medium-light close to neutral grey. In OKLCH its lightness is 69%, its chroma 0.018. It has too little chroma to lean warm or cool. The nearest named color is Cool Grey (#95A3A6), ΔE 0.016 away. Black text reads best on it, at 7.71:1.
| Hue family | Neutrals |
| Lightness | medium-light (69%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #91A09C |
| RGB | rgb(145, 160, 156) |
| HSL | hsl(164, 7%, 60%) |
| OKLCH | oklch(69.3% 0.018 178) |
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 #91A09C | 2.72:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #91A09C | 7.71:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #91A09C text on white | 2.72:1 | Fails | Lc 52.7 | Large or bold text, headings |
| #91A09C text on black | 7.71:1 | AAA | Lc -49.1 | 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
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#B9C3C0
oklch(80.9% 0.012 176.2)
-
Step 400
400 (this color)
#91A09C
oklch(69.3% 0.018 178)
-
Step 500
500
#7B8E89
oklch(63% 0.023 177.9)
-
Step 600
600
#647873
oklch(55.5% 0.025 178.5)
-
Step 700
700
#536561
oklch(49% 0.023 180.3)
-
Step 800
800
#44534F
oklch(42.8% 0.02 177.4)
-
Step 900
900
#394441
oklch(37.6% 0.015 177.2)
-
Step 950
950
#222826
oklch(27% 0.009 173.5)
#91A09C 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) | #9F9E9C | 0.020 |
| Deuteranopia (no green cones) | #9C9C9C | 0.018 |
| Tritanopia (no blue cones) | #8EA19F | 0.005 |
| Achromatopsia (no color) | #9D9D9D | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A09C
#91A09C
oklch(69.3% 0.018 178)
- #A6989C
#A6989C
oklch(69.3% 0.017 358.3)
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 #91A09C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.016
- Pewter #96A8A1 ΔE 0.023
- Bluey Grey #89A0B0 ΔE 0.030
- Bluegrey #85A3B2 ΔE 0.032
- Cement #A5A391 ΔE 0.034
- Cool Steel #97A7B3 ΔE 0.036
- Cool Gray #8D99AE ΔE 0.039
- Greyblue #77A1B5 ΔE 0.046
Use #91A09C 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.