#28918B
Closest named color: Teal Green (#0A9396). oklch(59.8% 0.093 189.3), rgb(40, 145, 139).
Aa
Black text reads best on this color (5.51:1).
About this color
#28918B is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 60%, its chroma 0.093 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Green (#0A9396), ΔE 0.017 away. Black text reads best on it, at 5.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Teal Green (#0A9396) |
| Black text | 5.51:1 |
| White text | 3.80:1 |
Values
| HEX | #28918B |
| RGB | rgb(40, 145, 139) |
| HSL | hsl(177, 57%, 36%) |
| OKLCH | oklch(59.8% 0.093 189.3) |
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 #28918B | 3.80:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #28918B | 5.51:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #28918B text on white | 3.80:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #28918B text on black | 5.51:1 | AA | Lc -36.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E1EDEC
oklch(93.7% 0.013 190.9)
-
Step 200
200
#C7DFDC
oklch(88.5% 0.026 187.6)
-
Step 300
300
#A0CBC7
oklch(81% 0.046 189.3)
-
Step 400
400
#68AFAA
oklch(70.6% 0.072 189.9)
-
Step 500
500 (this color)
#28918B
oklch(59.8% 0.093 189.3)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#0C4C48
oklch(37.8% 0.061 188.5)
-
Step 950
950
#0B2C2A
oklch(26.9% 0.038 189.5)
#28918B 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) | #89898B | 0.099 |
| Deuteranopia (no green cones) | #797E8C | 0.092 |
| Tritanopia (no blue cones) | #00958F | 0.014 |
| Achromatopsia (no color) | #838383 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28918B
#28918B
oklch(59.8% 0.093 189.3)
- #AF6773
#AF6773
oklch(59.7% 0.093 9.5)
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 #28918B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Green #0A9396 ΔE 0.017
- Dark Cyan #008B8B ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.025
- Sea #3C9992 ΔE 0.029
- Blue Green #0F9B8E ΔE 0.029
- Persian Green #2A9D8F ΔE 0.036
- Teal Blue #01889F ΔE 0.049
- Ocean Green #3D9973 ΔE 0.051
Use #28918B 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.