#78C6CC
Closest named color: Medium Turquoise (#48D1CC). oklch(77.8% 0.077 202), rgb(120, 198, 204).
Aa
Black text reads best on this color (10.74:1).
About this color
#78C6CC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.077 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.043 away. Black text reads best on it, at 10.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.74:1 |
| White text | 1.95:1 |
Values
| HEX | #78C6CC |
| RGB | rgb(120, 198, 204) |
| HSL | hsl(184, 45%, 64%) |
| OKLCH | oklch(77.8% 0.077 202) |
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 #78C6CC | 1.95:1 | Fails | Lc -41.8 | Non-text elements, placeholder text |
| Black text on #78C6CC | 10.74:1 | AAA | Lc 66.4 | Content text, not long reading |
| #78C6CC text on white | 1.95:1 | Fails | Lc 37.5 | Non-text elements, placeholder text |
| #78C6CC text on black | 10.74:1 | AAA | Lc -65.0 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFF0
oklch(93.7% 0.022 200.2)
-
Step 200
200
#B9E2E5
oklch(88.5% 0.043 201.9)
-
Step 300
300 (this color)
#78C6CC
oklch(77.8% 0.077 202)
-
Step 400
400
#00B6C0
oklch(70.7% 0.12 201.8)
-
Step 500
500
#009CA5
oklch(63.1% 0.107 202)
-
Step 600
600
#00838B
oklch(55.5% 0.095 202.3)
-
Step 700
700
#006E75
oklch(49% 0.083 202.5)
-
Step 800
800
#005A60
oklch(42.6% 0.073 202.7)
-
Step 900
900
#004B50
oklch(37.6% 0.064 202.5)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#78C6CC 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) | #BBC0CD | 0.078 |
| Deuteranopia (no green cones) | #ADB5CC | 0.072 |
| Tritanopia (no blue cones) | #52CBC8 | 0.033 |
| Achromatopsia (no color) | #B9B9B9 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78C6CC
#78C6CC
oklch(77.8% 0.077 202)
- #E4A4A1
#E4A4A1
oklch(77.9% 0.076 22)
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 #78C6CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.043
- Light Cornflower Blue #98C1D9 ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.044
- Sky Blue #87CEEB ΔE 0.049
- Light Grey Blue #9DBCD4 ΔE 0.051
- Seafoam Blue #78D1B6 ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.055
Use #78C6CC 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.