#5BCBC6
Closest named color: Medium Turquoise (#48D1CC). oklch(77.6% 0.102 191.3), rgb(91, 203, 198).
Aa
Black text reads best on this color (10.80:1).
About this color
#5BCBC6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 78%, its chroma 0.102 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.018 away. Black text reads best on it, at 10.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.80:1 |
| White text | 1.94:1 |
Values
| HEX | #5BCBC6 |
| RGB | rgb(91, 203, 198) |
| HSL | hsl(177, 52%, 58%) |
| OKLCH | oklch(77.6% 0.102 191.3) |
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 #5BCBC6 | 1.94:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #5BCBC6 | 10.80:1 | AAA | Lc 66.8 | Content text, not long reading |
| #5BCBC6 text on white | 1.94:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #5BCBC6 text on black | 10.80:1 | AAA | Lc -65.4 | 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
#ECF9F8
oklch(97.2% 0.014 191.4)
-
Step 100
100
#D5F1EF
oklch(93.7% 0.029 191.4)
-
Step 200
200
#AEE6E2
oklch(88.5% 0.057 190.7)
-
Step 300
300 (this color)
#5BCBC6
oklch(77.6% 0.102 191.3)
-
Step 400
400
#00B8B3
oklch(70.7% 0.122 191.3)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#5BCBC6 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) | #C0C2C6 | 0.107 |
| Deuteranopia (no green cones) | #AEB4C7 | 0.101 |
| Tritanopia (no blue cones) | #00D0C9 | 0.031 |
| Achromatopsia (no color) | #BABABA | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCBC6
#5BCBC6
oklch(77.6% 0.102 191.3)
- #EF9BA6
#EF9BA6
oklch(77.6% 0.101 11.1)
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 #5BCBC6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.018
- Dark Turquoise #00CED1 ΔE 0.032
- Seafoam Blue #78D1B6 ΔE 0.039
- Pale Teal #82CBB2 ΔE 0.040
- Medium Aquamarine #66CDAA ΔE 0.042
- Aqua Blue #02D8E9 ΔE 0.053
- Turquoise #40E0D0 ΔE 0.056
- Tiffany Blue #94D2BD ΔE 0.059
Use #5BCBC6 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.