#91BBC0
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.4% 0.045 205.3), rgb(145, 187, 192).
Aa
Black text reads best on this color (10.07:1).
About this color
#91BBC0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 76%, its chroma 0.045 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.034 away. Black text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.07:1 |
| White text | 2.08:1 |
Values
| HEX | #91BBC0 |
| RGB | rgb(145, 187, 192) |
| HSL | hsl(186, 27%, 66%) |
| OKLCH | oklch(76.4% 0.045 205.3) |
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 #91BBC0 | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #91BBC0 | 10.07:1 | AAA | Lc 63.2 | Content text, not long reading |
| #91BBC0 text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #91BBC0 text on black | 10.07:1 | AAA | Lc -61.5 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300 (this color)
#91BBC0
oklch(76.4% 0.045 205.3)
-
Step 400
400
#67AEB6
oklch(70.7% 0.072 204.9)
-
Step 500
500
#3399A4
oklch(63% 0.092 205.4)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#0A4B51
oklch(37.8% 0.061 204.7)
-
Step 950
950
#0A2C2F
oklch(27% 0.039 203.4)
#91BBC0 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) | #B4B7C0 | 0.045 |
| Deuteranopia (no green cones) | #ACB1C0 | 0.042 |
| Tritanopia (no blue cones) | #82BFBC | 0.022 |
| Achromatopsia (no color) | #B4B4B4 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BBC0
#91BBC0
oklch(76.4% 0.045 205.3)
- #CEA8A4
#CEA8A4
oklch(76.5% 0.045 25.2)
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 #91BBC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.034
- French Gray #ADB5BD ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.053
- Dark Gray #A9A9A9 ΔE 0.054
- Pewter #96A8A1 ΔE 0.057
- Pale Teal #82CBB2 ΔE 0.057
Use #91BBC0 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.