#5BC5BF
Closest named color: Medium Turquoise (#48D1CC). oklch(76% 0.098 190.3), rgb(91, 197, 191).
Aa
Black text reads best on this color (10.18:1).
About this color
#5BC5BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 76%, its chroma 0.098 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.033 away. Black text reads best on it, at 10.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (76%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.18:1 |
| White text | 2.06:1 |
Values
| HEX | #5BC5BF |
| RGB | rgb(91, 197, 191) |
| HSL | hsl(177, 48%, 56%) |
| OKLCH | oklch(76% 0.098 190.3) |
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 #5BC5BF | 2.06:1 | Fails | Lc -44.5 | Non-text elements, placeholder text |
| Black text on #5BC5BF | 10.18:1 | AAA | Lc 63.9 | Content text, not long reading |
| #5BC5BF text on white | 2.06:1 | Fails | Lc 40.0 | Non-text elements, placeholder text |
| #5BC5BF text on black | 10.18:1 | AAA | Lc -62.3 | 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
#ECF8F7
oklch(97% 0.013 191)
-
Step 100
100
#D5F0EE
oklch(93.5% 0.028 191.3)
-
Step 200
200
#B0E5E1
oklch(88.4% 0.055 190.5)
-
Step 300
300 (this color)
#5BC5BF
oklch(76% 0.098 190.3)
-
Step 400
400
#00B8B2
oklch(70.6% 0.122 190.6)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#008580
oklch(55.7% 0.096 190.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#5BC5BF 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) | #BBBCBF | 0.104 |
| Deuteranopia (no green cones) | #AAAFC0 | 0.098 |
| Tritanopia (no blue cones) | #00CAC3 | 0.032 |
| Achromatopsia (no color) | #B4B4B4 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC5BF
#5BC5BF
oklch(76% 0.098 190.3)
- #E897A2
#E897A2
oklch(76.1% 0.098 10.8)
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 #5BC5BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.033
- Dark Turquoise #00CED1 ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.044
- Pale Teal #82CBB2 ΔE 0.044
- Seafoam Blue #78D1B6 ΔE 0.048
- Topaz #13BBAF ΔE 0.052
- Aqua Blue #02D8E9 ΔE 0.067
- Tiffany Blue #94D2BD ΔE 0.068
Use #5BC5BF 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.