#91C9CC
Closest named color: Light Cornflower Blue (#98C1D9). oklch(79.8% 0.058 200.2), rgb(145, 201, 204).
Aa
Black text reads best on this color (11.43:1).
About this color
#91C9CC is a light, muted teal or cyan. In OKLCH its lightness is 80%, its chroma 0.058 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.034 away. Black text reads best on it, at 11.43:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 11.43:1 |
| White text | 1.83:1 |
Values
| HEX | #91C9CC |
| RGB | rgb(145, 201, 204) |
| HSL | hsl(183, 37%, 68%) |
| OKLCH | oklch(79.8% 0.058 200.2) |
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 #91C9CC | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #91C9CC | 11.43:1 | AAA | Lc 69.5 | Content text, not long reading |
| #91C9CC text on white | 1.83:1 | Fails | Lc 34.4 | Non-text elements, placeholder text |
| #91C9CC text on black | 11.43:1 | AAA | Lc -68.2 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200
#C2E0E1
oklch(88.5% 0.032 199.1)
-
Step 300
300 (this color)
#91C9CC
oklch(79.8% 0.058 200.2)
-
Step 400
400
#4EB2B8
oklch(70.7% 0.093 200.7)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F73
oklch(49.2% 0.084 199.2)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#91C9CC 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) | #C1C4CC | 0.059 |
| Deuteranopia (no green cones) | #B6BCCC | 0.054 |
| Tritanopia (no blue cones) | #7CCDCA | 0.024 |
| Achromatopsia (no color) | #BFBFBF | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91C9CC
#91C9CC
oklch(79.8% 0.058 200.2)
- #E0AFAE
#E0AFAE
oklch(79.8% 0.057 19.8)
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 #91C9CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.034
- Tiffany Blue #94D2BD ΔE 0.038
- Sky Blue #87CEEB ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.043
- Pale Teal #82CBB2 ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.052
Use #91C9CC 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.