#55DED5
Closest named color: Turquoise (#40E0D0). oklch(82.4% 0.118 189), rgb(85, 222, 213).
Aa
Black text reads best on this color (12.79:1).
About this color
#55DED5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 82%, its chroma 0.118 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.015 away. Black text reads best on it, at 12.79:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #55DED5 |
| RGB | rgb(85, 222, 213) |
| HSL | hsl(176, 67%, 60%) |
| OKLCH | oklch(82.4% 0.118 189) |
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 #55DED5 | 1.64:1 | Fails | Lc -31.8 | Non-text elements, placeholder text |
| Black text on #55DED5 | 12.79:1 | AAA | Lc 75.7 | Fine for body text |
| #55DED5 text on white | 1.64:1 | Fails | Lc 28.1 | Dividers and decoration only |
| #55DED5 text on black | 12.79:1 | AAA | Lc -74.8 | 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
#EAF9F7
oklch(97% 0.016 187.3)
-
Step 100
100
#D1F2EE
oklch(93.6% 0.035 187.7)
-
Step 200
200
#A7E8E2
oklch(88.6% 0.066 188.9)
-
Step 300
300 (this color)
#55DED5
oklch(82.4% 0.118 189)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#55DED5 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) | #D2D3D5 | 0.125 |
| Deuteranopia (no green cones) | #BDC3D6 | 0.118 |
| Tritanopia (no blue cones) | #00E3DB | 0.024 |
| Achromatopsia (no color) | #CACACA | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55DED5
#55DED5
oklch(82.4% 0.118 189)
- #FFAAB8
#FFAAB8
oklch(82.4% 0.101 8.7)
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 #55DED5, closest first.
No curated palette has a color within ΔE 0.04 of #55DED5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.015
- Medium Turquoise #48D1CC ΔE 0.038
- Aqua Blue #02D8E9 ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.047
- Aqua Marine #2EE8BB ΔE 0.056
- Tiffany Blue #94D2BD ΔE 0.056
- Dark Turquoise #00CED1 ΔE 0.056
- Light Teal #90E4C1 ΔE 0.057
Use #55DED5 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.