#91A7A7
Closest named color: Cool Grey (#95A3A6). oklch(71.1% 0.025 196.6), rgb(145, 167, 167).
Aa
Black text reads best on this color (8.28:1).
About this color
#91A7A7 is a medium-light close to neutral grey. In OKLCH its lightness is 71%, its chroma 0.025. 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 8.28:1.
| Hue family | Neutrals |
| Lightness | medium-light (71%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cool Grey (#95A3A6) |
| Black text | 8.28:1 |
| White text | 2.53:1 |
Values
| HEX | #91A7A7 |
| RGB | rgb(145, 167, 167) |
| HSL | hsl(180, 11%, 61%) |
| OKLCH | oklch(71.1% 0.025 196.6) |
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 #91A7A7 | 2.53:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #91A7A7 | 8.28:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #91A7A7 text on white | 2.53:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #91A7A7 text on black | 8.28:1 | AAA | Lc -52.3 | 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
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C4
oklch(81% 0.015 196.9)
-
Step 400
400 (this color)
#91A7A7
oklch(71.1% 0.025 196.6)
-
Step 500
500
#749090
oklch(63.2% 0.032 196.4)
-
Step 600
600
#5C7A7A
oklch(55.6% 0.034 196.2)
-
Step 700
700
#4C6767
oklch(49.2% 0.032 196.2)
-
Step 800
800
#3E5454
oklch(42.8% 0.027 196.2)
-
Step 900
900
#354545
oklch(37.7% 0.02 196.3)
-
Step 950
950
#1F2829
oklch(26.9% 0.013 204.7)
#91A7A7 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) | #A4A5A7 | 0.026 |
| Deuteranopia (no green cones) | #9FA1A7 | 0.024 |
| Tritanopia (no blue cones) | #8BA9A7 | 0.009 |
| Achromatopsia (no color) | #A3A3A3 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91A7A7
#91A7A7
oklch(71.1% 0.025 196.6)
- #B19C9C
#B19C9C
oklch(71.1% 0.025 17.8)
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 #91A7A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Grey #95A3A6 ΔE 0.011
- Pewter #96A8A1 ΔE 0.012
- Cool Steel #97A7B3 ΔE 0.020
- Bluegrey #85A3B2 ΔE 0.027
- Bluey Grey #89A0B0 ΔE 0.030
- Dark Gray #A9A9A9 ΔE 0.034
- Cement #A5A391 ΔE 0.037
- Greyblue #77A1B5 ΔE 0.044
Use #91A7A7 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.