#5AB9BF
Closest named color: Topaz (#13BBAF). oklch(73.1% 0.09 200.9), rgb(90, 185, 191).
Aa
Black text reads best on this color (9.12:1).
About this color
#5AB9BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 73%, its chroma 0.090 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.045 away. Black text reads best on it, at 9.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.12:1 |
| White text | 2.30:1 |
Values
| HEX | #5AB9BF |
| RGB | rgb(90, 185, 191) |
| HSL | hsl(184, 44%, 55%) |
| OKLCH | oklch(73.1% 0.09 200.9) |
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 #5AB9BF | 2.30:1 | Fails | Lc -50.0 | Large or bold text, headings |
| Black text on #5AB9BF | 9.12:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #5AB9BF text on white | 2.30:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #5AB9BF text on black | 9.12:1 | AAA | Lc -56.9 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DEEDEE
oklch(93.5% 0.016 201.7)
-
Step 200
200
#C2E0E1
oklch(88.5% 0.032 199.1)
-
Step 300
300
#96CCCF
oklch(80.9% 0.056 200.4)
-
Step 400
400 (this color)
#5AB9BF
oklch(73.1% 0.09 200.9)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#5AB9BF 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) | #ADB2C0 | 0.091 |
| Deuteranopia (no green cones) | #9DA6C0 | 0.085 |
| Tritanopia (no blue cones) | #00BFBB | 0.039 |
| Achromatopsia (no color) | #ABABAB | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AB9BF
#5AB9BF
oklch(73.1% 0.09 200.9)
- #DB918F
#DB918F
oklch(73% 0.09 21.2)
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 #5AB9BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.047
- Light Sea Green #20B2AA ΔE 0.051
- Dark Turquoise #00CED1 ΔE 0.059
- Medium Turquoise #48D1CC ΔE 0.064
- Greeny Blue #42B395 ΔE 0.065
- Greyblue #77A1B5 ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.067
Use #5AB9BF 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.