#91B5B2
Closest named color: Pewter (#96A8A1). oklch(74.6% 0.039 190.1), rgb(145, 181, 178).
Aa
Black text reads best on this color (9.45:1).
About this color
#91B5B2 is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.039 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.036 away. Black text reads best on it, at 9.45:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 9.45:1 |
| White text | 2.22:1 |
Values
| HEX | #91B5B2 |
| RGB | rgb(145, 181, 178) |
| HSL | hsl(175, 20%, 64%) |
| OKLCH | oklch(74.6% 0.039 190.1) |
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 #91B5B2 | 2.22:1 | Fails | Lc -48.5 | Large or bold text, headings |
| Black text on #91B5B2 | 9.45:1 | AAA | Lc 60.2 | Content text, not long reading |
| #91B5B2 text on white | 2.22:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #91B5B2 text on black | 9.45:1 | AAA | Lc -58.4 | 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
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D0DCDB
oklch(88.5% 0.013 190.9)
-
Step 300
300
#B0C6C4
oklch(80.9% 0.024 190)
-
Step 400
400 (this color)
#91B5B2
oklch(74.6% 0.039 190.1)
-
Step 500
500
#669490
oklch(63.2% 0.05 189.2)
-
Step 600
600
#4C7E7A
oklch(55.7% 0.054 189.2)
-
Step 700
700
#3D6A67
oklch(49.1% 0.05 190.2)
-
Step 800
800
#325754
oklch(42.8% 0.043 189.1)
-
Step 900
900
#2D4745
oklch(37.6% 0.032 189.8)
-
Step 950
950
#1B2A29
oklch(27.1% 0.02 190.8)
#91B5B2 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) | #B1B1B2 | 0.042 |
| Deuteranopia (no green cones) | #AAACB2 | 0.039 |
| Tritanopia (no blue cones) | #87B7B4 | 0.012 |
| Achromatopsia (no color) | #AEAEAE | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B5B2
#91B5B2
oklch(74.6% 0.039 190.1)
- #C4A3A7
#C4A3A7
oklch(74.6% 0.039 9.8)
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 #91B5B2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.040
- Dark Gray #A9A9A9 ΔE 0.041
- French Gray #ADB5BD ΔE 0.041
- Muted Teal #90B494 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.055
Use #91B5B2 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.