#55A69E
Closest named color: Cadet Blue (#5F9EA0). oklch(67.2% 0.081 187), rgb(85, 166, 158).
Aa
Black text reads best on this color (7.33:1).
About this color
#55A69E is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.081 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.025 away. Black text reads best on it, at 7.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #55A69E |
| RGB | rgb(85, 166, 158) |
| HSL | hsl(174, 32%, 49%) |
| OKLCH | oklch(67.2% 0.081 187) |
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 #55A69E | 2.86:1 | Fails | Lc -59.9 | Large or bold text, headings |
| Black text on #55A69E | 7.33:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #55A69E text on white | 2.86:1 | Fails | Lc 54.6 | Large or bold text, headings |
| #55A69E text on black | 7.33:1 | AAA | Lc -47.2 | 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
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C5DFDC
oklch(88.4% 0.028 188.2)
-
Step 300
300
#9CCCC6
oklch(81% 0.051 186.7)
-
Step 400
400 (this color)
#55A69E
oklch(67.2% 0.081 187)
-
Step 500
500
#219D94
oklch(63% 0.103 187.4)
-
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
#062D2A
oklch(27% 0.042 187.4)
#55A69E 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) | #9F9E9E | 0.087 |
| Deuteranopia (no green cones) | #91949F | 0.081 |
| Tritanopia (no blue cones) | #2BA9A3 | 0.026 |
| Achromatopsia (no color) | #999999 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A69E
#55A69E
oklch(67.2% 0.081 187)
- #C1818D
#C1818D
oklch(67.2% 0.08 7.2)
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 #55A69E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.025
- Dull Teal #5F9E8F ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.035
- Light Sea Green #20B2AA ΔE 0.039
- Greeny Blue #42B395 ΔE 0.046
- Sea #3C9992 ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
- Greyblue #77A1B5 ΔE 0.056
Use #55A69E 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.