#91C5CE
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79% 0.056 209.3), rgb(145, 197, 206).
Aa
Black text reads best on this color (11.08:1).
About this color
#91C5CE is a light, muted teal or cyan. In OKLCH its lightness is 79%, its chroma 0.056 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.024 away. Black text reads best on it, at 11.08:1.
| Hue family | Teals and cyans |
| Lightness | light (79%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.08:1 |
| White text | 1.89:1 |
Values
| HEX | #91C5CE |
| RGB | rgb(145, 197, 206) |
| HSL | hsl(189, 38%, 69%) |
| OKLCH | oklch(79% 0.056 209.3) |
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 #91C5CE | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #91C5CE | 11.08:1 | AAA | Lc 67.9 | Content text, not long reading |
| #91C5CE text on white | 1.89:1 | Fails | Lc 36.0 | Non-text elements, placeholder text |
| #91C5CE text on black | 11.08:1 | AAA | Lc -66.5 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DEEDF0
oklch(93.6% 0.016 211)
-
Step 200
200
#C3DFE4
oklch(88.5% 0.03 209.6)
-
Step 300
300 (this color)
#91C5CE
oklch(79% 0.056 209.3)
-
Step 400
400
#55B0BF
oklch(70.7% 0.089 209.6)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008292
oklch(55.6% 0.096 209.8)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#91C5CE 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) | #BCC1CF | 0.053 |
| Deuteranopia (no green cones) | #B2B9CE | 0.049 |
| Tritanopia (no blue cones) | #7CCAC8 | 0.028 |
| Achromatopsia (no color) | #BCBCBC | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C5CE
#91C5CE
oklch(79% 0.056 209.3)
- #DCAEA6
#DCAEA6
oklch(79% 0.055 29.7)
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 #91C5CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.031
- Cloudy Blue #ACC2D9 ΔE 0.039
- Sky Blue #87CEEB ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.046
- French Gray #ADB5BD ΔE 0.050
- Tiffany Blue #94D2BD ΔE 0.050
- Pale Teal #82CBB2 ΔE 0.052
Use #91C5CE 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.