#78DCC6
Closest named color: Seafoam Blue (#78D1B6). oklch(82.7% 0.1 177.7), rgb(120, 220, 198).
Aa
Black text reads best on this color (12.85:1).
About this color
#78DCC6 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.100 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.032 away. Black text reads best on it, at 12.85:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.85:1 |
| White text | 1.63:1 |
Values
| HEX | #78DCC6 |
| RGB | rgb(120, 220, 198) |
| HSL | hsl(167, 59%, 67%) |
| OKLCH | oklch(82.7% 0.1 177.7) |
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 #78DCC6 | 1.63:1 | Fails | Lc -31.7 | Non-text elements, placeholder text |
| Black text on #78DCC6 | 12.85:1 | AAA | Lc 75.7 | Fine for body text |
| #78DCC6 text on white | 1.63:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #78DCC6 text on black | 12.85:1 | AAA | Lc -74.9 | 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
#EDF9F5
oklch(97.2% 0.014 174.2)
-
Step 100
100
#D7F1EA
oklch(93.7% 0.029 177.7)
-
Step 200
200
#B3E6D9
oklch(88.6% 0.055 177.6)
-
Step 300
300 (this color)
#78DCC6
oklch(82.7% 0.1 177.7)
-
Step 400
400
#00BAA0
oklch(70.6% 0.13 177.9)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#78DCC6 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) | #D5D1C5 | 0.106 |
| Deuteranopia (no green cones) | #C5C5C8 | 0.101 |
| Tritanopia (no blue cones) | #50DFD5 | 0.030 |
| Achromatopsia (no color) | #CACACA | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DCC6
#78DCC6
oklch(82.7% 0.1 177.7)
- #FCABC6
#FCABC6
oklch(82.7% 0.1 357.9)
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 #78DCC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.032
- Tiffany Blue #94D2BD ΔE 0.033
- Turquoise #40E0D0 ΔE 0.034
- Light Teal #90E4C1 ΔE 0.035
- Pale Teal #82CBB2 ΔE 0.046
- Medium Turquoise #48D1CC ΔE 0.051
- Medium Aquamarine #66CDAA ΔE 0.054
- Aqua Marine #2EE8BB ΔE 0.057
Use #78DCC6 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.