#55A8A0
Closest named color: Cadet Blue (#5F9EA0). oklch(67.7% 0.082 187.2), rgb(85, 168, 160).
Aa
Black text reads best on this color (7.49:1).
About this color
#55A8A0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.082 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.030 away. Black text reads best on it, at 7.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #55A8A0 |
| RGB | rgb(85, 168, 160) |
| HSL | hsl(174, 33%, 50%) |
| OKLCH | oklch(67.7% 0.082 187.2) |
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 #55A8A0 | 2.80:1 | Fails | Lc -59.0 | Large or bold text, headings |
| Black text on #55A8A0 | 7.49:1 | AAA | Lc 50.3 | Large or bold text, headings |
| #55A8A0 text on white | 2.80:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #55A8A0 text on black | 7.49:1 | AAA | Lc -48.1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#DFEDEB
oklch(93.5% 0.015 186.7)
-
Step 200
200
#C5E0DC
oklch(88.6% 0.029 185.9)
-
Step 300
300
#9BCCC6
oklch(80.9% 0.052 186.9)
-
Step 400
400 (this color)
#55A8A0
oklch(67.7% 0.082 187.2)
-
Step 500
500
#1B9E94
oklch(63.2% 0.105 186.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#052D2A
oklch(27% 0.043 187.5)
#55A8A0 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) | #A1A0A0 | 0.088 |
| Deuteranopia (no green cones) | #9396A1 | 0.083 |
| Tritanopia (no blue cones) | #28ABA5 | 0.026 |
| Achromatopsia (no color) | #9A9A9A | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A8A0
#55A8A0
oklch(67.7% 0.082 187.2)
- #C4828E
#C4828E
oklch(67.7% 0.083 7.6)
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 #55A8A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.030
- Dull Teal #5F9E8F ΔE 0.031
- Light Sea Green #20B2AA ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.041
- Greeny Blue #42B395 ΔE 0.042
- Persian Green #2A9D8F ΔE 0.051
- Sea #3C9992 ΔE 0.052
- Topaz #13BBAF ΔE 0.055
Use #55A8A0 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.