#91BFC9
Closest named color: Light Cornflower Blue (#98C1D9). oklch(77.5% 0.051 212.5), rgb(145, 191, 201).
Aa
Black text reads best on this color (10.49:1).
About this color
#91BFC9 is a medium-light, muted teal or cyan. In OKLCH its lightness is 78%, its chroma 0.051 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Light Cornflower Blue (#98C1D9), ΔE 0.025 away. Black text reads best on it, at 10.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Light Cornflower Blue (#98C1D9) |
| Black text | 10.49:1 |
| White text | 2.00:1 |
Values
| HEX | #91BFC9 |
| RGB | rgb(145, 191, 201) |
| HSL | hsl(191, 34%, 68%) |
| OKLCH | oklch(77.5% 0.051 212.5) |
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 #91BFC9 | 2.00:1 | Fails | Lc -43.2 | Non-text elements, placeholder text |
| Black text on #91BFC9 | 10.49:1 | AAA | Lc 65.2 | Content text, not long reading |
| #91BFC9 text on white | 2.00:1 | Fails | Lc 38.7 | Non-text elements, placeholder text |
| #91BFC9 text on black | 10.49:1 | AAA | Lc -63.7 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C5DEE4
oklch(88.4% 0.028 213.8)
-
Step 300
300 (this color)
#91BFC9
oklch(77.5% 0.051 212.5)
-
Step 400
400
#5FAEBE
oklch(70.6% 0.081 212.3)
-
Step 500
500
#2099AE
oklch(63% 0.103 212.8)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#062C33
oklch(27.1% 0.043 212.8)
#91BFC9 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) | #B7BCCA | 0.048 |
| Deuteranopia (no green cones) | #ADB4C9 | 0.044 |
| Tritanopia (no blue cones) | #7FC4C2 | 0.027 |
| Achromatopsia (no color) | #B7B7B7 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91BFC9
#91BFC9
oklch(77.5% 0.051 212.5)
- #D4ABA2
#D4ABA2
oklch(77.6% 0.05 32.5)
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 #91BFC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cornflower Blue #98C1D9 ΔE 0.025
- Light Grey Blue #9DBCD4 ΔE 0.025
- French Gray #ADB5BD ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.052
- Sky Blue #87CEEB ΔE 0.053
- Pale Teal #82CBB2 ΔE 0.057
- Silver #C0C0C0 ΔE 0.060
Use #91BFC9 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.