#78D9CD
Closest named color: Tiffany Blue (#94D2BD). oklch(82.2% 0.094 185.2), rgb(120, 217, 205).
Aa
Black text reads best on this color (12.60:1).
About this color
#78D9CD is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.094 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Tiffany Blue (#94D2BD), ΔE 0.032 away. Black text reads best on it, at 12.60:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Tiffany Blue (#94D2BD) |
| Black text | 12.60:1 |
| White text | 1.66:1 |
Values
| HEX | #78D9CD |
| RGB | rgb(120, 217, 205) |
| HSL | hsl(173, 56%, 66%) |
| OKLCH | oklch(82.2% 0.094 185.2) |
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 #78D9CD | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #78D9CD | 12.60:1 | AAA | Lc 74.7 | Content text, not long reading |
| #78D9CD text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #78D9CD text on black | 12.60:1 | AAA | Lc -73.7 | 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
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100
#D7F0EC
oklch(93.6% 0.027 185.2)
-
Step 200
200
#B3E5DE
oklch(88.5% 0.052 185.7)
-
Step 300
300 (this color)
#78D9CD
oklch(82.2% 0.094 185.2)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#78D9CD 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) | #D0D0CD | 0.099 |
| Deuteranopia (no green cones) | #C0C3CE | 0.095 |
| Tritanopia (no blue cones) | #4DDDD5 | 0.029 |
| Achromatopsia (no color) | #C8C8C8 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78D9CD
#78D9CD
oklch(82.2% 0.094 185.2)
- #FAACBC
#FAACBC
oklch(82.3% 0.093 5.8)
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 #78D9CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tiffany Blue #94D2BD ΔE 0.032
- Seafoam Blue #78D1B6 ΔE 0.033
- Turquoise #40E0D0 ΔE 0.037
- Medium Turquoise #48D1CC ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.044
- Light Teal #90E4C1 ΔE 0.046
- Celeste #A8DADC ΔE 0.056
- Medium Aquamarine #66CDAA ΔE 0.056
Use #78D9CD 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.