#91D4E1
Closest named color: Sky Blue (#87CEEB). oklch(83% 0.07 211), rgb(145, 212, 225).
Aa
Black text reads best on this color (12.70:1).
About this color
#91D4E1 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.070 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.027 away. Black text reads best on it, at 12.70:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 12.70:1 |
| White text | 1.65:1 |
Values
| HEX | #91D4E1 |
| RGB | rgb(145, 212, 225) |
| HSL | hsl(190, 57%, 73%) |
| OKLCH | oklch(83% 0.07 211) |
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 #91D4E1 | 1.65:1 | Fails | Lc -32.4 | Non-text elements, placeholder text |
| Black text on #91D4E1 | 12.70:1 | AAA | Lc 75.0 | Fine for body text |
| #91D4E1 text on white | 1.65:1 | Fails | Lc 28.8 | Dividers and decoration only |
| #91D4E1 text on black | 12.70:1 | AAA | Lc -74.1 | 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
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#DBEEF1
oklch(93.6% 0.021 208.1)
-
Step 200
200
#BDE1E8
oklch(88.6% 0.039 210.7)
-
Step 300
300 (this color)
#91D4E1
oklch(83% 0.07 211)
-
Step 400
400
#30B3C8
oklch(70.7% 0.112 211)
-
Step 500
500
#009BAF
oklch(63.2% 0.11 210.8)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#004B55
oklch(37.8% 0.065 210)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#91D4E1 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) | #C9CFE2 | 0.067 |
| Deuteranopia (no green cones) | #BBC5E1 | 0.060 |
| Tritanopia (no blue cones) | #73DAD8 | 0.036 |
| Achromatopsia (no color) | #C9C9C9 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91D4E1
#91D4E1
oklch(83% 0.07 211)
- #F1B7AC
#F1B7AC
oklch(82.9% 0.07 30.8)
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 #91D4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.027
- Celeste #A8DADC ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.035
- Light Sky Blue #87CEFA ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.049
- Powder Blue #B0E0E6 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #91D4E1 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.