#78CDEE
Closest named color: Sky Blue (#87CEEB). oklch(80.7% 0.095 225.2), rgb(120, 205, 238).
Aa
Black text reads best on this color (11.76:1).
About this color
#78CDEE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.095 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is Sky Blue (#87CEEB), ΔE 0.015 away. Black text reads best on it, at 11.76:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Sky Blue (#87CEEB) |
| Black text | 11.76:1 |
| White text | 1.78:1 |
Values
| HEX | #78CDEE |
| RGB | rgb(120, 205, 238) |
| HSL | hsl(197, 78%, 70%) |
| OKLCH | oklch(80.7% 0.095 225.2) |
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 #78CDEE | 1.78:1 | Fails | Lc -36.8 | Non-text elements, placeholder text |
| Black text on #78CDEE | 11.76:1 | AAA | Lc 71.0 | Content text, not long reading |
| #78CDEE text on white | 1.78:1 | Fails | Lc 32.8 | Non-text elements, placeholder text |
| #78CDEE text on black | 11.76:1 | AAA | Lc -69.8 | 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
#D7EEF8
oklch(93.5% 0.028 225.7)
-
Step 200
200
#B5E1F4
oklch(88.5% 0.053 226)
-
Step 300
300 (this color)
#78CDEE
oklch(80.7% 0.095 225.2)
-
Step 400
400
#00B1DF
oklch(70.7% 0.134 225)
-
Step 500
500
#0098C0
oklch(63.2% 0.12 225)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B88
oklch(49.1% 0.093 224.9)
-
Step 800
800
#005870
oklch(42.8% 0.081 224.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#78CDEE 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) | #BBC9F0 | 0.074 |
| Deuteranopia (no green cones) | #AABCEE | 0.067 |
| Tritanopia (no blue cones) | #35D7D7 | 0.066 |
| Achromatopsia (no color) | #C2C2C2 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78CDEE
#78CDEE
oklch(80.7% 0.095 225.2)
- #F4AD8D
#F4AD8D
oklch(80.8% 0.095 45.2)
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 #78CDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sky Blue #87CEEB ΔE 0.015
- Lightblue #7BC8F6 ΔE 0.021
- Light Sky Blue #87CEFA ΔE 0.024
- Sky #82CAFC ΔE 0.026
- Vivid Sky Blue #4CC9F0 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.052
- Bright Sky Blue #02CCFE ΔE 0.057
Use #78CDEE 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.