#78CCDA
Closest named color: Sky Blue (#87CEEB). oklch(79.7% 0.084 209.3), rgb(120, 204, 218).
Aa
Black text reads best on this color (11.44:1).
About this color
#78CCDA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.084 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.030 away. Black text reads best on it, at 11.44:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.44:1 |
| White text | 1.83:1 |
Values
| HEX | #78CCDA |
| RGB | rgb(120, 204, 218) |
| HSL | hsl(189, 57%, 66%) |
| OKLCH | oklch(79.7% 0.084 209.3) |
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 #78CCDA | 1.83:1 | Fails | Lc -38.4 | Non-text elements, placeholder text |
| Black text on #78CCDA | 11.44:1 | AAA | Lc 69.6 | Content text, not long reading |
| #78CCDA text on white | 1.83:1 | Fails | Lc 34.2 | Non-text elements, placeholder text |
| #78CCDA text on black | 11.44:1 | AAA | Lc -68.3 | 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
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100
#D8EFF3
oklch(93.6% 0.025 209.3)
-
Step 200
200
#B6E2EA
oklch(88.4% 0.047 209.9)
-
Step 300
300 (this color)
#78CCDA
oklch(79.7% 0.084 209.3)
-
Step 400
400
#00B5CA
oklch(70.8% 0.122 209.4)
-
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)
#78CCDA 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) | #BFC6DB | 0.081 |
| Deuteranopia (no green cones) | #AFBADA | 0.074 |
| Tritanopia (no blue cones) | #48D3D0 | 0.044 |
| Achromatopsia (no color) | #BFBFBF | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CCDA
#78CCDA
oklch(79.7% 0.084 209.3)
- #EEA99E
#EEA99E
oklch(79.8% 0.084 29.2)
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 #78CCDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.030
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Medium Turquoise #48D1CC ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.046
- Vivid Sky Blue #4CC9F0 ΔE 0.046
- Light Sky Blue #87CEFA ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.053
- Sky #82CAFC ΔE 0.053
Use #78CCDA 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.