#55A899
Closest named color: Dull Teal (#5F9E8F). oklch(67.5% 0.085 180.4), rgb(85, 168, 153).
Aa
Black text reads best on this color (7.44:1).
About this color
#55A899 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.085 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dull Teal (#5F9E8F), ΔE 0.028 away. Black text reads best on it, at 7.44:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Dull Teal (#5F9E8F) |
| Black text | 7.44:1 |
| White text | 2.81:1 |
Values
| HEX | #55A899 |
| RGB | rgb(85, 168, 153) |
| HSL | hsl(169, 33%, 50%) |
| OKLCH | oklch(67.5% 0.085 180.4) |
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 #55A899 | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #55A899 | 7.44:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #55A899 text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #55A899 text on black | 7.44:1 | AAA | Lc -47.8 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEA
oklch(93.6% 0.014 180.7)
-
Step 200
200
#C5E0DA
oklch(88.5% 0.03 180.7)
-
Step 300
300
#9CCCC2
oklch(80.8% 0.052 180.7)
-
Step 400
400 (this color)
#55A899
oklch(67.5% 0.085 180.4)
-
Step 500
500
#1E9E8C
oklch(63% 0.108 180.4)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#052D27
oklch(26.8% 0.045 180.5)
#55A899 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) | #A2A098 | 0.090 |
| Deuteranopia (no green cones) | #94969A | 0.084 |
| Tritanopia (no blue cones) | #2EAAA3 | 0.025 |
| Achromatopsia (no color) | #9A9A9A | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A899
#55A899
oklch(67.5% 0.085 180.4)
- #C28194
#C28194
oklch(67.5% 0.084 0.5)
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 #55A899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dull Teal #5F9E8F ΔE 0.028
- Cadet Blue #5F9EA0 ΔE 0.035
- Greeny Blue #42B395 ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.037
- Tea #65AB7C ΔE 0.046
- Persian Green #2A9D8F ΔE 0.048
- Sea #3C9992 ΔE 0.051
Use #55A899 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.