#5BDABC
Closest named color: Turquoise (#40E0D0). oklch(80.9% 0.121 174.9), rgb(91, 218, 188).
Aa
Black text reads best on this color (12.19:1).
About this color
#5BDABC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 81%, its chroma 0.121 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.028 away. Black text reads best on it, at 12.19:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 12.19:1 |
| White text | 1.72:1 |
Values
| HEX | #5BDABC |
| RGB | rgb(91, 218, 188) |
| HSL | hsl(166, 63%, 61%) |
| OKLCH | oklch(80.9% 0.121 174.9) |
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 #5BDABC | 1.72:1 | Fails | Lc -34.6 | Non-text elements, placeholder text |
| Black text on #5BDABC | 12.19:1 | AAA | Lc 73.1 | Content text, not long reading |
| #5BDABC text on white | 1.72:1 | Fails | Lc 30.8 | Non-text elements, placeholder text |
| #5BDABC text on black | 12.19:1 | AAA | Lc -72.0 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D3F2E8
oklch(93.6% 0.035 174.1)
-
Step 200
200
#AAE8D6
oklch(88.4% 0.068 174.8)
-
Step 300
300 (this color)
#5BDABC
oklch(80.9% 0.121 174.9)
-
Step 400
400
#00BB9C
oklch(70.7% 0.133 175.1)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#5BDABC 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) | #D3CDBB | 0.127 |
| Deuteranopia (no green cones) | #C0C0BE | 0.120 |
| Tritanopia (no blue cones) | #00DCD1 | 0.036 |
| Achromatopsia (no color) | #C5C5C5 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BDABC
#5BDABC
oklch(80.9% 0.121 174.9)
- #FE9FC5
#FE9FC5
oklch(80.9% 0.121 354.6)
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 #5BDABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.028
- Seafoam Blue #78D1B6 ΔE 0.029
- Medium Aquamarine #66CDAA ΔE 0.036
- Medium Turquoise #48D1CC ΔE 0.041
- Aqua Marine #2EE8BB ΔE 0.042
- Pale Teal #82CBB2 ΔE 0.046
- Tiffany Blue #94D2BD ΔE 0.052
- Emerald #06D6A0 ΔE 0.054
Use #5BDABC 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.