#91BCB8
Closest named color: French Gray (#ADB5BD). oklch(76.3% 0.046 189.2), rgb(145, 188, 184).
Aa
Black text reads best on this color (10.08:1).
About this color
#91BCB8 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.046 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.041 away. Black text reads best on it, at 10.08:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #91BCB8 |
| RGB | rgb(145, 188, 184) |
| HSL | hsl(174, 24%, 65%) |
| OKLCH | oklch(76.3% 0.046 189.2) |
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 #91BCB8 | 2.08:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #91BCB8 | 10.08:1 | AAA | Lc 63.3 | Content text, not long reading |
| #91BCB8 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #91BCB8 text on black | 10.08:1 | AAA | Lc -61.6 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300 (this color)
#91BCB8
oklch(76.3% 0.046 189.2)
-
Step 400
400
#67B0AA
oklch(70.8% 0.074 188.9)
-
Step 500
500
#339C95
oklch(63.2% 0.094 188.7)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#0A4C48
oklch(37.7% 0.062 188.5)
-
Step 950
950
#0A2C2A
oklch(26.8% 0.039 189.6)
#91BCB8 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) | #B7B7B8 | 0.049 |
| Deuteranopia (no green cones) | #AFB1B9 | 0.047 |
| Tritanopia (no blue cones) | #84BEBB | 0.014 |
| Achromatopsia (no color) | #B4B4B4 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BCB8
#91BCB8
oklch(76.3% 0.046 189.2)
- #CDA7AC
#CDA7AC
oklch(76.4% 0.045 9.3)
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 #91BCB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.045
- Pale Teal #82CBB2 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Muted Teal #90B494 ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.054
- Pewter #96A8A1 ΔE 0.054
- Cool Steel #97A7B3 ΔE 0.056
Use #91BCB8 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.