#91B2BE
Closest named color: Cool Steel (#97A7B3). oklch(74.3% 0.04 222), rgb(145, 178, 190).
Aa
Black text reads best on this color (9.31:1).
About this color
#91B2BE is a medium-light, muted teal or cyan. In OKLCH its lightness is 74%, its chroma 0.040 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Steel (#97A7B3), ΔE 0.029 away. Black text reads best on it, at 9.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cool Steel (#97A7B3) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #91B2BE |
| RGB | rgb(145, 178, 190) |
| HSL | hsl(196, 26%, 66%) |
| OKLCH | oklch(74.3% 0.04 222) |
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 #91B2BE | 2.25:1 | Fails | Lc -49.2 | Large or bold text, headings |
| Black text on #91B2BE | 9.31:1 | AAA | Lc 59.5 | Large or bold text, headings |
| #91B2BE text on white | 2.25:1 | Fails | Lc 44.4 | Non-text elements, placeholder text |
| #91B2BE text on black | 9.31:1 | AAA | Lc -57.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CC
oklch(81% 0.025 219.8)
-
Step 400
400 (this color)
#91B2BE
oklch(74.3% 0.04 222)
-
Step 500
500
#6791A0
oklch(63.1% 0.051 222.1)
-
Step 600
600
#4E7B8B
oklch(55.7% 0.055 222.5)
-
Step 700
700
#3E6876
oklch(49.2% 0.052 221.3)
-
Step 800
800
#345460
oklch(42.6% 0.042 223.7)
-
Step 900
900
#2D464E
oklch(37.7% 0.034 219.9)
-
Step 950
950
#1B292E
oklch(27% 0.021 222)
#91B2BE 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) | #ABB0BF | 0.034 |
| Deuteranopia (no green cones) | #A4AABE | 0.031 |
| Tritanopia (no blue cones) | #84B6B6 | 0.024 |
| Achromatopsia (no color) | #ADADAD | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91B2BE
#91B2BE
oklch(74.3% 0.04 222)
- #C3A498
#C3A498
oklch(74.3% 0.04 42.3)
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 #91B2BE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Steel #97A7B3 ΔE 0.029
- French Gray #ADB5BD ΔE 0.038
- Dark Gray #A9A9A9 ΔE 0.041
- Light Grey Blue #9DBCD4 ΔE 0.041
- Pewter #96A8A1 ΔE 0.042
- Cool Grey #95A3A6 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.050
Use #91B2BE 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.