#28573A
Closest named color: Pine (#2B5D34). oklch(41.5% 0.071 154.6), rgb(40, 87, 58).
Aa
White text reads best on this color (8.35:1).
About this color
#28573A is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.071 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.024 away. White text reads best on it, at 8.35:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.51:1 |
| White text | 8.35:1 |
Values
| HEX | #28573A |
| RGB | rgb(40, 87, 58) |
| HSL | hsl(143, 37%, 25%) |
| OKLCH | oklch(41.5% 0.071 154.6) |
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 #28573A | 8.35:1 | AAA | Lc -93.2 | Preferred for body text |
| Black text on #28573A | 2.51:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #28573A text on white | 8.35:1 | AAA | Lc 88.7 | Fine for body text |
| #28573A text on black | 2.51:1 | Fails | Lc -13.5 | Not readable |
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 800.
-
Step 50
50
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CEDED2
oklch(88.5% 0.024 153.4)
-
Step 300
300
#ACC9B5
oklch(80.9% 0.042 155.2)
-
Step 400
400
#80AD8E
oklch(70.6% 0.066 154.3)
-
Step 500
500
#5E9972
oklch(63.1% 0.086 154.3)
-
Step 600
600
#42835B
oklch(55.5% 0.092 154.9)
-
Step 700
700
#336F4A
oklch(49.1% 0.087 154.5)
-
Step 800
800 (this color)
#28573A
oklch(41.5% 0.071 154.6)
-
Step 900
900
#284A34
oklch(37.6% 0.055 154.4)
-
Step 950
950
#182C1F
oklch(27.1% 0.036 154.8)
#28573A 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) | #575138 | 0.064 |
| Deuteranopia (no green cones) | #504C3C | 0.062 |
| Tritanopia (no blue cones) | #1C564F | 0.035 |
| Achromatopsia (no color) | #4E4E4E | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28573A
#28573A
oklch(41.5% 0.071 154.6)
- #633C5B
#633C5B
oklch(41.4% 0.071 334.6)
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 #28573A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.024
- Spruce #0A5F38 ΔE 0.031
- Dark Blue Green #005249 ΔE 0.040
- Navy Green #35530A ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Deep Teal #00555A ΔE 0.057
- Dark Teal #014D4E ΔE 0.059
Use #28573A 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.