#91CDD5
Closest named color: Sky Blue (#87CEEB). oklch(81% 0.062 206.4), rgb(145, 205, 213).
Aa
Black text reads best on this color (11.89:1).
About this color
#91CDD5 is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.062 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.031 away. Black text reads best on it, at 11.89:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.89:1 |
| White text | 1.76:1 |
Values
| HEX | #91CDD5 |
| RGB | rgb(145, 205, 213) |
| HSL | hsl(187, 45%, 70%) |
| OKLCH | oklch(81% 0.062 206.4) |
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 #91CDD5 | 1.76:1 | Fails | Lc -36.3 | Non-text elements, placeholder text |
| Black text on #91CDD5 | 11.89:1 | AAA | Lc 71.5 | Content text, not long reading |
| #91CDD5 text on white | 1.76:1 | Fails | Lc 32.3 | Non-text elements, placeholder text |
| #91CDD5 text on black | 11.89:1 | AAA | Lc -70.4 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEF0
oklch(93.7% 0.018 205.3)
-
Step 200
200
#C0E0E4
oklch(88.5% 0.034 205.8)
-
Step 300
300 (this color)
#91CDD5
oklch(81% 0.062 206.4)
-
Step 400
400
#44B2BF
oklch(70.6% 0.1 206.1)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E78
oklch(49.1% 0.084 205.8)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#91CDD5 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) | #C4C8D6 | 0.062 |
| Deuteranopia (no green cones) | #B8BFD5 | 0.057 |
| Tritanopia (no blue cones) | #79D2CF | 0.030 |
| Achromatopsia (no color) | #C3C3C3 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91CDD5
#91CDD5
oklch(81% 0.062 206.4)
- #E7B2AC
#E7B2AC
oklch(81% 0.063 25.9)
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 #91CDD5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.036
- Tiffany Blue #94D2BD ΔE 0.041
- Cloudy Blue #ACC2D9 ΔE 0.043
- Celeste #A8DADC ΔE 0.046
- Light Grey Blue #9DBCD4 ΔE 0.047
- Light Steel Blue #B0C4DE ΔE 0.047
- Light Blue #ADD8E6 ΔE 0.050
Use #91CDD5 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.