#55C3CD
Closest named color: Dark Turquoise (#00CED1). oklch(75.8% 0.101 203.5), rgb(85, 195, 205).
Aa
Black text reads best on this color (10.07:1).
About this color
#55C3CD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.101 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.037 away. Black text reads best on it, at 10.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 10.07:1 |
| White text | 2.08:1 |
Values
| HEX | #55C3CD |
| RGB | rgb(85, 195, 205) |
| HSL | hsl(185, 55%, 57%) |
| OKLCH | oklch(75.8% 0.101 203.5) |
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 #55C3CD | 2.08:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #55C3CD | 10.07:1 | AAA | Lc 63.4 | Content text, not long reading |
| #55C3CD text on white | 2.08:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #55C3CD text on black | 10.07:1 | AAA | Lc -61.8 | 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 400.
-
Step 50
50
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DDEEEF
oklch(93.7% 0.018 201.1)
-
Step 200
200
#BFE0E3
oklch(88.4% 0.035 203.3)
-
Step 300
300
#90CDD3
oklch(80.9% 0.063 203.7)
-
Step 400
400 (this color)
#55C3CD
oklch(75.8% 0.101 203.5)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#55C3CD 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) | #B5BCCE | 0.100 |
| Deuteranopia (no green cones) | #A3AECE | 0.093 |
| Tritanopia (no blue cones) | #00CAC6 | 0.037 |
| Achromatopsia (no color) | #B4B4B4 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55C3CD
#55C3CD
oklch(75.8% 0.101 203.5)
- #E99792
#E99792
oklch(75.8% 0.1 23.5)
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 #55C3CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.037
- Medium Turquoise #48D1CC ΔE 0.040
- Vivid Sky Blue #4CC9F0 ΔE 0.049
- Topaz #13BBAF ΔE 0.059
- Aqua Blue #02D8E9 ΔE 0.060
- Pale Teal #82CBB2 ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.065
- Medium Aquamarine #66CDAA ΔE 0.066
Use #55C3CD 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.