#55BDA7
Closest named color: Topaz (#13BBAF). oklch(73.1% 0.102 177.3), rgb(85, 189, 167).
Aa
Black text reads best on this color (9.22:1).
About this color
#55BDA7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.102 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.032 away. Black text reads best on it, at 9.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.22:1 |
| White text | 2.27:1 |
Values
| HEX | #55BDA7 |
| RGB | rgb(85, 189, 167) |
| HSL | hsl(167, 44%, 54%) |
| OKLCH | oklch(73.1% 0.102 177.3) |
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 #55BDA7 | 2.27:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #55BDA7 | 9.22:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #55BDA7 text on white | 2.27:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #55BDA7 text on black | 9.22:1 | AAA | Lc -57.5 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEEA
oklch(93.6% 0.018 179.3)
-
Step 200
200
#C1E1D9
oklch(88.4% 0.035 178.7)
-
Step 300
300
#94CFC0
oklch(81% 0.064 177.1)
-
Step 400
400 (this color)
#55BDA7
oklch(73.1% 0.102 177.3)
-
Step 500
500
#00A088
oklch(63.1% 0.117 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#55BDA7 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) | #B6B3A6 | 0.107 |
| Deuteranopia (no green cones) | #A6A7A9 | 0.102 |
| Tritanopia (no blue cones) | #12BFB6 | 0.031 |
| Achromatopsia (no color) | #ACACAC | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55BDA7
#55BDA7
oklch(73.1% 0.102 177.3)
- #DC8CA8
#DC8CA8
oklch(73% 0.103 357.4)
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 #55BDA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.032
- Greeny Blue #42B395 ΔE 0.039
- Light Sea Green #20B2AA ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.049
- Green Blue #01C08D ΔE 0.055
- Greenblue #23C48B ΔE 0.058
- Muted Teal #90B494 ΔE 0.058
- Dark Sea Green #8FBC8F ΔE 0.059
Use #55BDA7 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.