#5BDAB5
Closest named color: Seafoam Blue (#78D1B6). oklch(80.7% 0.125 170.9), rgb(91, 218, 181).
Aa
Black text reads best on this color (12.14:1).
About this color
#5BDAB5 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.125 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.032 away. Black text reads best on it, at 12.14:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 12.14:1 |
| White text | 1.72:1 |
Values
| HEX | #5BDAB5 |
| RGB | rgb(91, 218, 181) |
| HSL | hsl(163, 63%, 61%) |
| OKLCH | oklch(80.7% 0.125 170.9) |
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 #5BDAB5 | 1.72:1 | Fails | Lc -34.9 | Non-text elements, placeholder text |
| Black text on #5BDAB5 | 12.14:1 | AAA | Lc 72.8 | Content text, not long reading |
| #5BDAB5 text on white | 1.72:1 | Fails | Lc 31.0 | Non-text elements, placeholder text |
| #5BDAB5 text on black | 12.14:1 | AAA | Lc -71.7 | 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
#EBF9F4
oklch(97% 0.016 172.7)
-
Step 100
100
#D3F2E6
oklch(93.5% 0.036 170.2)
-
Step 200
200
#ABE9D3
oklch(88.6% 0.07 170.7)
-
Step 300
300 (this color)
#5BDAB5
oklch(80.7% 0.125 170.9)
-
Step 400
400
#00BC95
oklch(70.8% 0.139 170.9)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876B
oklch(55.5% 0.108 171.4)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#5BDAB5 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) | #D4CDB3 | 0.128 |
| Deuteranopia (no green cones) | #C2BFB8 | 0.125 |
| Tritanopia (no blue cones) | #00DCCF | 0.041 |
| Achromatopsia (no color) | #C5C5C5 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BDAB5
#5BDAB5
oklch(80.7% 0.125 170.9)
- #FD9DCA
#FD9DCA
oklch(80.6% 0.126 350.7)
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 #5BDAB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.032
- Medium Aquamarine #66CDAA ΔE 0.034
- Turquoise #40E0D0 ΔE 0.036
- Aqua Marine #2EE8BB ΔE 0.039
- Emerald #06D6A0 ΔE 0.046
- Pale Teal #82CBB2 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.056
Use #5BDAB5 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.