#5BCAC4
Closest named color: Medium Turquoise (#48D1CC). oklch(77.3% 0.102 190.4), rgb(91, 202, 196).
Aa
Black text reads best on this color (10.69:1).
About this color
#5BCAC4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.102 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Turquoise (#48D1CC), ΔE 0.020 away. Black text reads best on it, at 10.69:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Medium Turquoise (#48D1CC) |
| Black text | 10.69:1 |
| White text | 1.96:1 |
Values
| HEX | #5BCAC4 |
| RGB | rgb(91, 202, 196) |
| HSL | hsl(177, 51%, 57%) |
| OKLCH | oklch(77.3% 0.102 190.4) |
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 #5BCAC4 | 1.96:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #5BCAC4 | 10.69:1 | AAA | Lc 66.3 | Content text, not long reading |
| #5BCAC4 text on white | 1.96:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #5BCAC4 text on black | 10.69:1 | AAA | Lc -64.8 | 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
#ECF9F7
oklch(97.2% 0.014 186)
-
Step 100
100
#D5F1EE
oklch(93.7% 0.03 188.8)
-
Step 200
200
#AFE6E2
oklch(88.6% 0.056 190.6)
-
Step 300
300 (this color)
#5BCAC4
oklch(77.3% 0.102 190.4)
-
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)
#5BCAC4 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) | #C0C1C4 | 0.108 |
| Deuteranopia (no green cones) | #AEB3C5 | 0.102 |
| Tritanopia (no blue cones) | #00CFC8 | 0.031 |
| Achromatopsia (no color) | #B9B9B9 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BCAC4
#5BCAC4
oklch(77.3% 0.102 190.4)
- #EE9AA6
#EE9AA6
oklch(77.4% 0.101 10.4)
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 #5BCAC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Turquoise #48D1CC ΔE 0.020
- Dark Turquoise #00CED1 ΔE 0.032
- Pale Teal #82CBB2 ΔE 0.040
- Seafoam Blue #78D1B6 ΔE 0.040
- Medium Aquamarine #66CDAA ΔE 0.041
- Aqua Blue #02D8E9 ΔE 0.056
- Turquoise #40E0D0 ΔE 0.058
- Tiffany Blue #94D2BD ΔE 0.060
Use #5BCAC4 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.