#5BC4AA
Closest named color: Medium Aquamarine (#66CDAA). oklch(75.1% 0.105 174.7), rgb(91, 196, 170).
Aa
Black text reads best on this color (9.92:1).
About this color
#5BC4AA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.105 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.029 away. Black text reads best on it, at 9.92:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.92:1 |
| White text | 2.11:1 |
Values
| HEX | #5BC4AA |
| RGB | rgb(91, 196, 170) |
| HSL | hsl(165, 47%, 56%) |
| OKLCH | oklch(75.1% 0.105 174.7) |
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 #5BC4AA | 2.11:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #5BC4AA | 9.92:1 | AAA | Lc 62.7 | Content text, not long reading |
| #5BC4AA text on white | 2.11:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #5BC4AA text on black | 9.92:1 | AAA | Lc -61.0 | 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 400.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEE9
oklch(93.6% 0.018 175.3)
-
Step 200
200
#C1E1D7
oklch(88.4% 0.036 174.6)
-
Step 300
300
#94CFBE
oklch(80.9% 0.065 174.8)
-
Step 400
400 (this color)
#5BC4AA
oklch(75.1% 0.105 174.7)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
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)
#5BC4AA 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) | #BEB9A9 | 0.110 |
| Deuteranopia (no green cones) | #AEADAC | 0.106 |
| Tritanopia (no blue cones) | #23C6BC | 0.033 |
| Achromatopsia (no color) | #B2B2B2 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BC4AA
#5BC4AA
oklch(75.1% 0.105 174.7)
- #E392B2
#E392B2
oklch(75.1% 0.105 354.6)
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 #5BC4AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.029
- Pale Teal #82CBB2 ΔE 0.044
- Topaz #13BBAF ΔE 0.047
- Seafoam Blue #78D1B6 ΔE 0.048
- Medium Turquoise #48D1CC ΔE 0.050
- Dark Sea Green #8FBC8F ΔE 0.054
- Dark Turquoise #00CED1 ΔE 0.056
- Greeny Blue #42B395 ΔE 0.057
Use #5BC4AA 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.