#5DDDDE
Closest named color: Turquoise (#40E0D0). oklch(82.7% 0.112 195.9), rgb(93, 221, 222).
Aa
Black text reads best on this color (12.86:1).
About this color
#5DDDDE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 83%, its chroma 0.112 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.030 away. Black text reads best on it, at 12.86:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.86:1 |
| White text | 1.63:1 |
Values
| HEX | #5DDDDE |
| RGB | rgb(93, 221, 222) |
| HSL | hsl(180, 66%, 62%) |
| OKLCH | oklch(82.7% 0.112 195.9) |
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 #5DDDDE | 1.63:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #5DDDDE | 12.86:1 | AAA | Lc 75.9 | Fine for body text |
| #5DDDDE text on white | 1.63:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #5DDDDE text on black | 12.86:1 | AAA | Lc -75.0 | 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
#EBF9F9
oklch(97.2% 0.015 196.9)
-
Step 100
100
#D2F1F1
oklch(93.6% 0.032 196.6)
-
Step 200
200
#A9E7E6
oklch(88.6% 0.063 194.8)
-
Step 300
300 (this color)
#5DDDDE
oklch(82.7% 0.112 195.9)
-
Step 400
400
#00B7B9
oklch(70.6% 0.12 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#5DDDDE 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) | #D0D3DE | 0.117 |
| Deuteranopia (no green cones) | #BBC4DF | 0.109 |
| Tritanopia (no blue cones) | #00E4DD | 0.033 |
| Achromatopsia (no color) | #CACACA | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DDDDE
#5DDDDE
oklch(82.7% 0.112 195.9)
- #FFADB1
#FFADB1
oklch(82.8% 0.097 16.2)
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 #5DDDDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.030
- Aqua Blue #02D8E9 ΔE 0.039
- Medium Turquoise #48D1CC ΔE 0.041
- Seafoam Blue #78D1B6 ΔE 0.055
- Robin's Egg #6DEDFD ΔE 0.057
- Tiffany Blue #94D2BD ΔE 0.058
- Dark Turquoise #00CED1 ΔE 0.059
- Sky Blue #87CEEB ΔE 0.059
Use #5DDDDE 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.