#91B5B4
Closest named color: Pewter (#96A8A1). oklch(74.6% 0.039 194.2), rgb(145, 181, 180).
Aa
Black text reads best on this color (9.47:1).
About this color
#91B5B4 is a medium-light, muted teal or cyan. In OKLCH its lightness is 75%, its chroma 0.039 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Pewter (#96A8A1), ΔE 0.037 away. Black text reads best on it, at 9.47:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Pewter (#96A8A1) |
| Black text | 9.47:1 |
| White text | 2.21:1 |
Values
| HEX | #91B5B4 |
| RGB | rgb(145, 181, 180) |
| HSL | hsl(178, 20%, 64%) |
| OKLCH | oklch(74.6% 0.039 194.2) |
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 #91B5B4 | 2.21:1 | Fails | Lc -48.4 | Large or bold text, headings |
| Black text on #91B5B4 | 9.47:1 | AAA | Lc 60.3 | Content text, not long reading |
| #91B5B4 text on white | 2.21:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #91B5B4 text on black | 9.47:1 | AAA | Lc -58.5 | 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
#D0DCDC
oklch(88.5% 0.013 196.9)
-
Step 300
300
#AFC6C5
oklch(80.9% 0.025 193.5)
-
Step 400
400 (this color)
#91B5B4
oklch(74.6% 0.039 194.2)
-
Step 500
500
#659392
oklch(63% 0.05 194.2)
-
Step 600
600
#4C7E7D
oklch(55.8% 0.054 194.1)
-
Step 700
700
#3C6A69
oklch(49.1% 0.051 193.8)
-
Step 800
800
#325656
oklch(42.6% 0.042 195.7)
-
Step 900
900
#2D4747
oklch(37.7% 0.032 195.9)
-
Step 950
950
#1A2A29
oklch(27% 0.022 191)
#91B5B4 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) | #B0B1B4 | 0.041 |
| Deuteranopia (no green cones) | #A9ACB4 | 0.038 |
| Tritanopia (no blue cones) | #86B7B5 | 0.013 |
| Achromatopsia (no color) | #AEAEAE | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B5B4
#91B5B4
oklch(74.6% 0.039 194.2)
- #C4A3A5
#C4A3A5
oklch(74.5% 0.039 13.9)
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 #91B5B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pewter #96A8A1 ΔE 0.037
- Cool Steel #97A7B3 ΔE 0.039
- French Gray #ADB5BD ΔE 0.040
- Dark Gray #A9A9A9 ΔE 0.041
- Muted Teal #90B494 ΔE 0.045
- Cool Grey #95A3A6 ΔE 0.047
- Light Grey Blue #9DBCD4 ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.054
Use #91B5B4 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.