#55A29F
Closest named color: Cadet Blue (#5F9EA0). oklch(66.2% 0.077 192.1), rgb(85, 162, 159).
Aa
Black text reads best on this color (7.05:1).
About this color
#55A29F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.077 and its hue 192°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.015 away. Black text reads best on it, at 7.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #55A29F |
| RGB | rgb(85, 162, 159) |
| HSL | hsl(178, 31%, 48%) |
| OKLCH | oklch(66.2% 0.077 192.1) |
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 #55A29F | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #55A29F | 7.05:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #55A29F text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #55A29F text on black | 7.05:1 | AAA | Lc -45.6 | 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 500.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDD
oklch(88.5% 0.021 193.1)
-
Step 300
300
#A6C9C7
oklch(81% 0.037 192.2)
-
Step 400
400
#74ADAA
oklch(70.7% 0.06 191.7)
-
Step 500
500 (this color)
#55A29F
oklch(66.2% 0.077 192.1)
-
Step 600
600
#288380
oklch(55.7% 0.083 191.8)
-
Step 700
700
#186E6C
oklch(49% 0.077 192.6)
-
Step 800
800
#185A58
oklch(42.7% 0.064 192.1)
-
Step 900
900
#1C4A48
oklch(37.7% 0.05 191.3)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#55A29F 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) | #9A9B9F | 0.081 |
| Deuteranopia (no green cones) | #8D91A0 | 0.077 |
| Tritanopia (no blue cones) | #2BA6A1 | 0.027 |
| Achromatopsia (no color) | #959595 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A29F
#55A29F
oklch(66.2% 0.077 192.1)
- #BD7F86
#BD7F86
oklch(66.2% 0.077 12)
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 #55A29F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.015
- Dull Teal #5F9E8F ΔE 0.023
- Grey Teal #5E9B8A ΔE 0.031
- Sea #3C9992 ΔE 0.038
- Persian Green #2A9D8F ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.048
- Greyblue #77A1B5 ΔE 0.052
- Blue Green #0F9B8E ΔE 0.053
Use #55A29F 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.