#78DCD2
Closest named color: Turquoise (#40E0D0). oklch(83.1% 0.096 187.1), rgb(120, 220, 210).
Aa
Black text reads best on this color (12.96:1).
About this color
#78DCD2 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.096 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.036 away. Black text reads best on it, at 12.96:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.96:1 |
| White text | 1.61:1 |
Values
| HEX | #78DCD2 |
| RGB | rgb(120, 220, 210) |
| HSL | hsl(174, 59%, 67%) |
| OKLCH | oklch(83.1% 0.096 187.1) |
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 #78DCD2 | 1.61:1 | Fails | Lc -31.1 | Non-text elements, placeholder text |
| Black text on #78DCD2 | 12.96:1 | AAA | Lc 76.2 | Fine for body text |
| #78DCD2 text on white | 1.61:1 | Fails | Lc 27.6 | Dividers and decoration only |
| #78DCD2 text on black | 12.96:1 | AAA | Lc -75.4 | Fine for body text |
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
#ECF8F7
oklch(97% 0.013 191)
-
Step 100
100
#D6F0ED
oklch(93.5% 0.028 188.3)
-
Step 200
200
#B2E5DF
oklch(88.5% 0.053 187.4)
-
Step 300
300 (this color)
#78DCD2
oklch(83.1% 0.096 187.1)
-
Step 400
400
#00B9AE
oklch(70.8% 0.123 187.3)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#78DCD2 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) | #D3D3D2 | 0.102 |
| Deuteranopia (no green cones) | #C2C6D3 | 0.096 |
| Tritanopia (no blue cones) | #48E0D9 | 0.031 |
| Achromatopsia (no color) | #CBCBCB | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78DCD2
#78DCD2
oklch(83.1% 0.096 187.1)
- #FEAEBD
#FEAEBD
oklch(83.1% 0.095 7)
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 #78DCD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.036
- Tiffany Blue #94D2BD ΔE 0.037
- Seafoam Blue #78D1B6 ΔE 0.042
- Light Teal #90E4C1 ΔE 0.043
- Medium Turquoise #48D1CC ΔE 0.049
- Celeste #A8DADC ΔE 0.052
- Pale Teal #82CBB2 ΔE 0.053
- Aqua Blue #02D8E9 ΔE 0.061
Use #78DCD2 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.