#05BABC
Closest named color: Topaz (#13BBAF). oklch(71.5% 0.121 196.2), rgb(5, 186, 188).
Aa
Black text reads best on this color (8.75:1).
About this color
#05BABC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.121 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.020 away. Black text reads best on it, at 8.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.75:1 |
| White text | 2.39:1 |
Values
| HEX | #05BABC |
| RGB | rgb(5, 186, 188) |
| HSL | hsl(181, 95%, 38%) |
| OKLCH | oklch(71.5% 0.121 196.2) |
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 #05BABC | 2.39:1 | Fails | Lc -51.6 | Large or bold text, headings |
| Black text on #05BABC | 8.75:1 | AAA | Lc 57.4 | Large or bold text, headings |
| #05BABC text on white | 2.39:1 | Fails | Lc 46.6 | Large or bold text, headings |
| #05BABC text on black | 8.75:1 | AAA | Lc -55.4 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEFEF
oklch(93.7% 0.022 196.8)
-
Step 200
200
#BAE2E2
oklch(88.4% 0.042 196.4)
-
Step 300
300
#84D0D1
oklch(80.9% 0.075 196.8)
-
Step 400
400 (this color)
#05BABC
oklch(71.5% 0.121 196.2)
-
Step 500
500
#009D9F
oklch(63.1% 0.107 196.4)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#05BABC 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) | #ACB0BC | 0.125 |
| Deuteranopia (no green cones) | #97A1BD | 0.117 |
| Tritanopia (no blue cones) | #00C1BA | 0.022 |
| Achromatopsia (no color) | #A7A7A7 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #05BABC
#05BABC
oklch(71.5% 0.121 196.2)
- #E58289
#E58289
oklch(71.6% 0.122 16.1)
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 #05BABC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.020
- Light Sea Green #20B2AA ΔE 0.029
- Turquoise Blue #06B1C4 ΔE 0.032
- Greeny Blue #42B395 ΔE 0.053
- Dark Turquoise #00CED1 ΔE 0.058
- Medium Turquoise #48D1CC ΔE 0.072
- Green Blue #01C08D ΔE 0.076
- Cadet Blue #5F9EA0 ΔE 0.081
Use #05BABC 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.