#55BBAC
Closest named color: Topaz (#13BBAF). oklch(72.7% 0.098 182.5), rgb(85, 187, 172).
Aa
Black text reads best on this color (9.09:1).
About this color
#55BBAC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.098 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.029 away. Black text reads best on it, at 9.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.09:1 |
| White text | 2.31:1 |
Values
| HEX | #55BBAC |
| RGB | rgb(85, 187, 172) |
| HSL | hsl(171, 43%, 53%) |
| OKLCH | oklch(72.7% 0.098 182.5) |
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 #55BBAC | 2.31:1 | Fails | Lc -50.2 | Large or bold text, headings |
| Black text on #55BBAC | 9.09:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #55BBAC text on white | 2.31:1 | Fails | Lc 45.3 | Large or bold text, headings |
| #55BBAC text on black | 9.09:1 | AAA | Lc -56.8 | Large or bold text, headings |
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
#F0F7F6
oklch(97.1% 0.008 186.9)
-
Step 100
100
#DEEEEB
oklch(93.6% 0.017 183.5)
-
Step 200
200
#C2E1DB
oklch(88.5% 0.034 182.6)
-
Step 300
300
#94CEC4
oklch(80.9% 0.061 182.9)
-
Step 400
400 (this color)
#55BBAC
oklch(72.7% 0.098 182.5)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#55BBAC 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) | #B3B1AB | 0.104 |
| Deuteranopia (no green cones) | #A3A6AD | 0.097 |
| Tritanopia (no blue cones) | #07BEB6 | 0.030 |
| Achromatopsia (no color) | #AAAAAA | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55BBAC
#55BBAC
oklch(72.7% 0.098 182.5)
- #DB8DA1
#DB8DA1
oklch(72.8% 0.098 3.1)
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 #55BBAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.029
- Greeny Blue #42B395 ΔE 0.040
- Light Sea Green #20B2AA ΔE 0.041
- Medium Aquamarine #66CDAA ΔE 0.056
- Muted Teal #90B494 ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.061
- Dark Turquoise #00CED1 ΔE 0.062
- Green Blue #01C08D ΔE 0.063
Use #55BBAC 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.