#91B7BB
Closest named color: French Gray (#ADB5BD). oklch(75.3% 0.041 204.3), rgb(145, 183, 187).
Aa
Black text reads best on this color (9.69:1).
About this color
#91B7BB is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.041 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.036 away. Black text reads best on it, at 9.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.69:1 |
| White text | 2.16:1 |
Values
| HEX | #91B7BB |
| RGB | rgb(145, 183, 187) |
| HSL | hsl(186, 24%, 65%) |
| OKLCH | oklch(75.3% 0.041 204.3) |
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 #91B7BB | 2.16:1 | Fails | Lc -47.3 | Large or bold text, headings |
| Black text on #91B7BB | 9.69:1 | AAA | Lc 61.4 | Content text, not long reading |
| #91B7BB text on white | 2.16:1 | Fails | Lc 42.6 | Non-text elements, placeholder text |
| #91B7BB text on black | 9.69:1 | AAA | Lc -59.6 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C8
oklch(80.9% 0.026 202.8)
-
Step 400
400 (this color)
#91B7BB
oklch(75.3% 0.041 204.3)
-
Step 500
500
#639398
oklch(63.1% 0.052 204.2)
-
Step 600
600
#487D83
oklch(55.5% 0.057 205)
-
Step 700
700
#396A6F
oklch(49.2% 0.054 204.1)
-
Step 800
800
#30565A
oklch(42.7% 0.044 204.3)
-
Step 900
900
#2B474A
oklch(37.7% 0.034 204.4)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#91B7BB 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) | #B1B4BB | 0.041 |
| Deuteranopia (no green cones) | #A9AEBB | 0.037 |
| Tritanopia (no blue cones) | #84BAB8 | 0.018 |
| Achromatopsia (no color) | #B0B0B0 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B7BB
#91B7BB
oklch(75.3% 0.041 204.3)
- #C8A5A2
#C8A5A2
oklch(75.2% 0.042 23.9)
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 #91B7BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.040
- Cool Steel #97A7B3 ΔE 0.042
- Dark Gray #A9A9A9 ΔE 0.045
- Pewter #96A8A1 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Cool Grey #95A3A6 ΔE 0.054
- Muted Teal #90B494 ΔE 0.054
Use #91B7BB 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.