#91C4DB
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.3% 0.062 227.5), rgb(145, 196, 219).
Aa
Black text reads best on this color (11.12:1).
About this color
#91C4DB is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.062 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.010 away. Black text reads best on it, at 11.12:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #91C4DB |
| RGB | rgb(145, 196, 219) |
| HSL | hsl(199, 51%, 71%) |
| OKLCH | oklch(79.3% 0.062 227.5) |
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 #91C4DB | 1.88:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #91C4DB | 11.12:1 | AAA | Lc 68.1 | Content text, not long reading |
| #91C4DB text on white | 1.88:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #91C4DB text on black | 11.12:1 | AAA | Lc -66.7 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF3
oklch(93.7% 0.018 223.6)
-
Step 200
200
#C2DEEB
oklch(88.4% 0.035 227.5)
-
Step 300
300 (this color)
#91C4DB
oklch(79.3% 0.062 227.5)
-
Step 400
400
#54ADD1
oklch(70.7% 0.1 227.3)
-
Step 500
500
#0097C3
oklch(63.1% 0.123 227.5)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#91C4DB 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) | #B8C2DC | 0.048 |
| Deuteranopia (no green cones) | #ADB9DB | 0.043 |
| Tritanopia (no blue cones) | #78CBCB | 0.043 |
| Achromatopsia (no color) | #BDBDBD | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C4DB
#91C4DB
oklch(79.3% 0.062 227.5)
- #DEB099
#DEB099
oklch(79.3% 0.063 47.9)
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 #91C4DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.010
- Light Grey Blue #9DBCD4 ΔE 0.023
- Sky Blue #87CEEB ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.038
- Lightblue #7BC8F6 ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.044
- Sky #82CAFC ΔE 0.046
Use #91C4DB 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.