#91BFBE
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.2% 0.049 194.5), rgb(145, 191, 190).
Aa
Black text reads best on this color (10.39:1).
About this color
#91BFBE is a medium-light, muted teal or cyan. In OKLCH its lightness is 77%, its chroma 0.049 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.039 away. Black text reads best on it, at 10.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.39:1 |
| White text | 2.01:1 |
Values
| HEX | #91BFBE |
| RGB | rgb(145, 191, 190) |
| HSL | hsl(179, 26%, 66%) |
| OKLCH | oklch(77.2% 0.049 194.5) |
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 #91BFBE | 2.01:1 | Fails | Lc -43.7 | Non-text elements, placeholder text |
| Black text on #91BFBE | 10.39:1 | AAA | Lc 64.7 | Content text, not long reading |
| #91BFBE text on white | 2.01:1 | Fails | Lc 39.2 | Non-text elements, placeholder text |
| #91BFBE text on black | 10.39:1 | AAA | Lc -63.2 | 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
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C6DFDE
oklch(88.5% 0.027 193.7)
-
Step 300
300 (this color)
#91BFBE
oklch(77.2% 0.049 194.5)
-
Step 400
400
#61B0AF
oklch(70.7% 0.078 194.5)
-
Step 500
500
#259C9B
oklch(63.1% 0.099 194.1)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#072D2C
oklch(27.1% 0.041 192.4)
#91BFBE 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) | #B9BABE | 0.051 |
| Deuteranopia (no green cones) | #B0B4BE | 0.047 |
| Tritanopia (no blue cones) | #82C2BF | 0.017 |
| Achromatopsia (no color) | #B6B6B6 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BFBE
#91BFBE
oklch(77.2% 0.049 194.5)
- #D2A9AB
#D2A9AB
oklch(77.2% 0.048 15)
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 #91BFBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.040
- French Gray #ADB5BD ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.045
- Cloudy Blue #ACC2D9 ΔE 0.053
- Tiffany Blue #94D2BD ΔE 0.054
- Muted Teal #90B494 ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.059
Use #91BFBE 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.