#55DACE
Closest named color: Turquoise (#40E0D0). oklch(81.3% 0.117 186.8), rgb(85, 218, 206).
Aa
Black text reads best on this color (12.30:1).
About this color
#55DACE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.117 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.018 away. Black text reads best on it, at 12.30:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.30:1 |
| White text | 1.70:1 |
Values
| HEX | #55DACE |
| RGB | rgb(85, 218, 206) |
| HSL | hsl(175, 64%, 59%) |
| OKLCH | oklch(81.3% 0.117 186.8) |
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 #55DACE | 1.70:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #55DACE | 12.30:1 | AAA | Lc 73.6 | Content text, not long reading |
| #55DACE text on white | 1.70:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #55DACE text on black | 12.30:1 | AAA | Lc -72.5 | 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
#EBF9F7
oklch(97.1% 0.015 186.7)
-
Step 100
100
#D2F2ED
oklch(93.7% 0.034 185.2)
-
Step 200
200
#A8E8E0
oklch(88.6% 0.065 186.4)
-
Step 300
300 (this color)
#55DACE
oklch(81.3% 0.117 186.8)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009E94
oklch(63% 0.11 186.9)
-
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)
#55DACE 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) | #CFCFCE | 0.124 |
| Deuteranopia (no green cones) | #BBC0CF | 0.117 |
| Tritanopia (no blue cones) | #00DFD6 | 0.025 |
| Achromatopsia (no color) | #C6C6C6 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55DACE
#55DACE
oklch(81.3% 0.117 186.8)
- #FFA3B6
#FFA3B6
oklch(81.2% 0.111 6.4)
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 #55DACE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.018
- Medium Turquoise #48D1CC ΔE 0.027
- Seafoam Blue #78D1B6 ΔE 0.038
- Aqua Blue #02D8E9 ΔE 0.045
- Dark Turquoise #00CED1 ΔE 0.048
- Medium Aquamarine #66CDAA ΔE 0.051
- Pale Teal #82CBB2 ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.053
Use #55DACE 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.