#91CEE6
Closest named color: Sky Blue (#87CEEB). oklch(81.8% 0.071 224.5), rgb(145, 206, 230).
Aa
Black text reads best on this color (12.17:1).
About this color
#91CEE6 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.071 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.012 away. Black text reads best on it, at 12.17:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.17:1 |
| White text | 1.72:1 |
Values
| HEX | #91CEE6 |
| RGB | rgb(145, 206, 230) |
| HSL | hsl(197, 63%, 74%) |
| OKLCH | oklch(81.8% 0.071 224.5) |
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 #91CEE6 | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #91CEE6 | 12.17:1 | AAA | Lc 72.8 | Content text, not long reading |
| #91CEE6 text on white | 1.72:1 | Fails | Lc 31.1 | Non-text elements, placeholder text |
| #91CEE6 text on black | 12.17:1 | AAA | Lc -71.7 | 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
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF4
oklch(93.6% 0.02 224.3)
-
Step 200
200
#BEDFED
oklch(88.4% 0.04 225.4)
-
Step 300
300 (this color)
#91CEE6
oklch(81.8% 0.071 224.5)
-
Step 400
400
#3EAFD5
oklch(70.7% 0.113 224.5)
-
Step 500
500
#0098BF
oklch(63.2% 0.119 224.4)
-
Step 600
600
#007FA1
oklch(55.5% 0.105 225)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#91CEE6 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) | #C1CBE7 | 0.057 |
| Deuteranopia (no green cones) | #B4C1E6 | 0.051 |
| Tritanopia (no blue cones) | #71D6D5 | 0.049 |
| Achromatopsia (no color) | #C5C5C5 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CEE6
#91CEE6
oklch(81.8% 0.071 224.5)
- #ECB69E
#ECB69E
oklch(81.9% 0.071 45.1)
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 #91CEE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.012
- Light Sky Blue #87CEFA ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Lightblue #7BC8F6 ΔE 0.039
- Sky #82CAFC ΔE 0.039
- Cloudy Blue #ACC2D9 ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.041
- Baby Blue #A2CFFE ΔE 0.041
Use #91CEE6 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.