#55D7BF
Closest named color: Seafoam Blue (#78D1B6). oklch(80.1% 0.119 178.7), rgb(85, 215, 191).
Aa
Black text reads best on this color (11.85:1).
About this color
#55D7BF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.119 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Seafoam Blue (#78D1B6), ΔE 0.027 away. Black text reads best on it, at 11.85:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Seafoam Blue (#78D1B6) |
| Black text | 11.85:1 |
| White text | 1.77:1 |
Values
| HEX | #55D7BF |
| RGB | rgb(85, 215, 191) |
| HSL | hsl(169, 62%, 59%) |
| OKLCH | oklch(80.1% 0.119 178.7) |
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 #55D7BF | 1.77:1 | Fails | Lc -36.2 | Non-text elements, placeholder text |
| Black text on #55D7BF | 11.85:1 | AAA | Lc 71.6 | Content text, not long reading |
| #55D7BF text on white | 1.77:1 | Fails | Lc 32.2 | Non-text elements, placeholder text |
| #55D7BF text on black | 11.85:1 | AAA | Lc -70.4 | 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
#EBF9F5
oklch(97.1% 0.016 177.1)
-
Step 100
100
#D2F2EA
oklch(93.6% 0.035 178.8)
-
Step 200
200
#AAE8DA
oklch(88.5% 0.066 179.2)
-
Step 300
300 (this color)
#55D7BF
oklch(80.1% 0.119 178.7)
-
Step 400
400
#00BAA2
oklch(70.6% 0.129 179.1)
-
Step 500
500
#00A08A
oklch(63.2% 0.116 178.3)
-
Step 600
600
#008674
oklch(55.5% 0.101 178.9)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D42
oklch(37.6% 0.069 179)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#55D7BF 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) | #CFCBBE | 0.126 |
| Deuteranopia (no green cones) | #BBBDC1 | 0.119 |
| Tritanopia (no blue cones) | #00DAD0 | 0.030 |
| Achromatopsia (no color) | #C3C3C3 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55D7BF
#55D7BF
oklch(80.1% 0.119 178.7)
- #FC9DBC
#FC9DBC
oklch(80.1% 0.118 359.1)
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 #55D7BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seafoam Blue #78D1B6 ΔE 0.027
- Turquoise #40E0D0 ΔE 0.028
- Medium Turquoise #48D1CC ΔE 0.030
- Medium Aquamarine #66CDAA ΔE 0.033
- Pale Teal #82CBB2 ΔE 0.042
- Dark Turquoise #00CED1 ΔE 0.050
- Aqua Marine #2EE8BB ΔE 0.051
- Tiffany Blue #94D2BD ΔE 0.053
Use #55D7BF 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.