#28BCA6
Closest named color: Topaz (#13BBAF). oklch(71.6% 0.122 179.8), rgb(40, 188, 166).
Aa
Black text reads best on this color (8.83:1).
About this color
#28BCA6 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 72%, its chroma 0.122 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.015 away. Black text reads best on it, at 8.83:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.83:1 |
| White text | 2.37:1 |
Values
| HEX | #28BCA6 |
| RGB | rgb(40, 188, 166) |
| HSL | hsl(171, 65%, 45%) |
| OKLCH | oklch(71.6% 0.122 179.8) |
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 #28BCA6 | 2.37:1 | Fails | Lc -51.3 | Large or bold text, headings |
| Black text on #28BCA6 | 8.83:1 | AAA | Lc 57.6 | Large or bold text, headings |
| #28BCA6 text on white | 2.37:1 | Fails | Lc 46.4 | Large or bold text, headings |
| #28BCA6 text on black | 8.83:1 | AAA | Lc -55.7 | 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
#DBEFEA
oklch(93.6% 0.022 179.2)
-
Step 200
200
#BCE3DA
oklch(88.5% 0.043 179.7)
-
Step 300
300
#88D1C2
oklch(80.8% 0.076 179.9)
-
Step 400
400 (this color)
#28BCA6
oklch(71.6% 0.122 179.8)
-
Step 500
500
#00A08C
oklch(63.2% 0.115 179.7)
-
Step 600
600
#008675
oklch(55.5% 0.101 179.7)
-
Step 700
700
#007162
oklch(49.1% 0.09 179.3)
-
Step 800
800
#005D50
oklch(42.8% 0.078 178.9)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#28BCA6 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) | #B4B0A5 | 0.130 |
| Deuteranopia (no green cones) | #A0A2A8 | 0.123 |
| Tritanopia (no blue cones) | #00BFB5 | 0.020 |
| Achromatopsia (no color) | #A8A8A8 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28BCA6
#28BCA6
oklch(71.6% 0.122 179.8)
- #E181A1
#E181A1
oklch(71.6% 0.123 359.3)
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 #28BCA6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.015
- Greeny Blue #42B395 ΔE 0.029
- Light Sea Green #20B2AA ΔE 0.032
- Green Blue #01C08D ΔE 0.043
- Greenblue #23C48B ΔE 0.051
- Dark Seafoam #1FB57A ΔE 0.061
- Bluey Green #2BB179 ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.063
Use #28BCA6 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.