#78CCEF
Closest named color: Sky Blue (#87CEEB). oklch(80.5% 0.095 226.9), rgb(120, 204, 239).
Aa
Black text reads best on this color (11.68:1).
About this color
#78CCEF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.095 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.017 away. Black text reads best on it, at 11.68:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.68:1 |
| White text | 1.79:1 |
Values
| HEX | #78CCEF |
| RGB | rgb(120, 204, 239) |
| HSL | hsl(198, 79%, 70%) |
| OKLCH | oklch(80.5% 0.095 226.9) |
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 #78CCEF | 1.79:1 | Fails | Lc -37.2 | Non-text elements, placeholder text |
| Black text on #78CCEF | 11.68:1 | AAA | Lc 70.7 | Content text, not long reading |
| #78CCEF text on white | 1.79:1 | Fails | Lc 33.2 | Non-text elements, placeholder text |
| #78CCEF text on black | 11.68:1 | AAA | Lc -69.5 | 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
#EDF7FC
oklch(97% 0.013 228.9)
-
Step 100
100
#D8EEF8
oklch(93.6% 0.027 226.8)
-
Step 200
200
#B5E1F5
oklch(88.5% 0.053 227.3)
-
Step 300
300 (this color)
#78CCEF
oklch(80.5% 0.095 226.9)
-
Step 400
400
#00B0E2
oklch(70.6% 0.137 227.2)
-
Step 500
500
#0097C2
oklch(63.1% 0.122 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8A
oklch(49.2% 0.095 226.5)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#00495F
oklch(37.8% 0.072 226.2)
-
Step 950
950
#002B3A
oklch(27% 0.052 227.2)
#78CCEF 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) | #B9C9F1 | 0.072 |
| Deuteranopia (no green cones) | #A8BBEF | 0.065 |
| Tritanopia (no blue cones) | #35D6D7 | 0.067 |
| Achromatopsia (no color) | #C1C1C1 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CCEF
#78CCEF
oklch(80.5% 0.095 226.9)
- #F3AC8A
#F3AC8A
oklch(80.4% 0.096 46.5)
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 #78CCEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.017
- Lightblue #7BC8F6 ΔE 0.017
- Light Sky Blue #87CEFA ΔE 0.023
- Sky #82CAFC ΔE 0.024
- Vivid Sky Blue #4CC9F0 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.051
- Bright Sky Blue #02CCFE ΔE 0.056
Use #78CCEF 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.