#91C0CF
Closest named color: Light Cornflower Blue (#98C1D9). oklch(78% 0.054 219.5), rgb(145, 192, 207).
Aa
Black text reads best on this color (10.64:1).
About this color
#91C0CF is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.054 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.017 away. Black text reads best on it, at 10.64:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.64:1 |
| White text | 1.97:1 |
Values
| HEX | #91C0CF |
| RGB | rgb(145, 192, 207) |
| HSL | hsl(195, 39%, 69%) |
| OKLCH | oklch(78% 0.054 219.5) |
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 #91C0CF | 1.97:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #91C0CF | 10.64:1 | AAA | Lc 65.9 | Content text, not long reading |
| #91C0CF text on white | 1.97:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #91C0CF text on black | 10.64:1 | AAA | Lc -64.4 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300 (this color)
#91C0CF
oklch(78% 0.054 219.5)
-
Step 400
400
#5DADC5
oklch(70.6% 0.086 219.7)
-
Step 500
500
#1798B7
oklch(63% 0.11 219.9)
-
Step 600
600
#00809B
oklch(55.5% 0.101 219.5)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#042B36
oklch(26.9% 0.046 221.4)
#91C0CF 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) | #B6BDD0 | 0.046 |
| Deuteranopia (no green cones) | #ADB5CF | 0.043 |
| Tritanopia (no blue cones) | #7DC5C5 | 0.032 |
| Achromatopsia (no color) | #B9B9B9 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C0CF
#91C0CF
oklch(78% 0.054 219.5)
- #D7AC9E
#D7AC9E
oklch(77.9% 0.054 38.8)
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 #91C0CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.017
- Light Grey Blue #9DBCD4 ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.038
- French Gray #ADB5BD ΔE 0.043
- Sky Blue #87CEEB ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.060
Use #91C0CF 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.