#28B8AE
Closest named color: Topaz (#13BBAF). oklch(70.9% 0.116 187.7), rgb(40, 184, 174).
Aa
Black text reads best on this color (8.55:1).
About this color
#28B8AE is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.116 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.009 away. Black text reads best on it, at 8.55:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #28B8AE |
| RGB | rgb(40, 184, 174) |
| HSL | hsl(176, 64%, 44%) |
| OKLCH | oklch(70.9% 0.116 187.7) |
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 #28B8AE | 2.45:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #28B8AE | 8.55:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #28B8AE text on white | 2.45:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #28B8AE text on black | 8.55:1 | AAA | Lc -54.2 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEC
oklch(93.7% 0.021 186)
-
Step 200
200
#BCE2DE
oklch(88.4% 0.04 188.6)
-
Step 300
300
#89D0C9
oklch(80.9% 0.072 188)
-
Step 400
400 (this color)
#28B8AE
oklch(70.9% 0.116 187.7)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#28B8AE 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) | #AEAEAE | 0.123 |
| Deuteranopia (no green cones) | #9A9FAF | 0.116 |
| Tritanopia (no blue cones) | #00BDB5 | 0.015 |
| Achromatopsia (no color) | #A5A5A5 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28B8AE
#28B8AE
oklch(70.9% 0.116 187.7)
- #DE8194
#DE8194
oklch(70.8% 0.116 7.3)
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 #28B8AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.009
- Light Sea Green #20B2AA ΔE 0.018
- Greeny Blue #42B395 ΔE 0.034
- Turquoise Blue #06B1C4 ΔE 0.044
- Green Blue #01C08D ΔE 0.061
- Dark Turquoise #00CED1 ΔE 0.068
- Greenblue #23C48B ΔE 0.070
- Tea #65AB7C ΔE 0.070
Use #28B8AE 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.