#28705C
Closest named color: Dark Aquamarine (#017371). oklch(49.4% 0.079 171.5), rgb(40, 112, 92).
Aa
White text reads best on this color (5.89:1).
About this color
#28705C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 49%, its chroma 0.079 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.032 away. White text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #28705C |
| RGB | rgb(40, 112, 92) |
| HSL | hsl(163, 47%, 30%) |
| OKLCH | oklch(49.4% 0.079 171.5) |
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 #28705C | 5.89:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #28705C | 3.56:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #28705C text on white | 5.89:1 | AA | Lc 79.2 | Fine for body text |
| #28705C text on black | 3.56:1 | AA large text | Lc -22.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED7
oklch(88.5% 0.021 170.6)
-
Step 300
300
#A9C9BD
oklch(80.9% 0.038 170.6)
-
Step 400
400
#79AD9C
oklch(70.6% 0.061 172.2)
-
Step 500
500
#549984
oklch(63.1% 0.078 171.9)
-
Step 600
600
#35836D
oklch(55.5% 0.084 171.7)
-
Step 700
700 (this color)
#28705C
oklch(49.4% 0.079 171.5)
-
Step 800
800
#225A4A
oklch(42.5% 0.065 171.4)
-
Step 900
900
#224A3E
oklch(37.6% 0.05 171.7)
-
Step 950
950
#152C24
oklch(27.1% 0.033 169.4)
#28705C 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) | #6D695B | 0.081 |
| Deuteranopia (no green cones) | #62615D | 0.077 |
| Tritanopia (no blue cones) | #00716A | 0.024 |
| Achromatopsia (no color) | #646464 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28705C
#28705C
oklch(49.4% 0.079 171.5)
- #844E67
#844E67
oklch(49.4% 0.08 351.2)
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 #28705C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.032
- Deep Turquoise #017374 ΔE 0.036
- Dark Aqua #05696B ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.042
- Bluegreen #017A79 ΔE 0.046
- Deep Aqua #08787F ΔE 0.052
- Teal #008080 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.066
Use #28705C 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.