#578B2D
Closest named color: Mossy Green (#638B27). oklch(58% 0.137 133.8), rgb(87, 139, 45).
Aa
Black text reads best on this color (5.13:1).
About this color
#578B2D is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.137 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.014 away. Black text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.137) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #578B2D |
| RGB | rgb(87, 139, 45) |
| HSL | hsl(93, 51%, 36%) |
| OKLCH | oklch(58% 0.137 133.8) |
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 #578B2D | 4.08:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #578B2D | 5.13:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #578B2D text on white | 4.08:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #578B2D text on black | 5.13:1 | AA | Lc -33.8 | 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 600.
-
Step 50
50
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E5EDE1
oklch(93.7% 0.018 134.9)
-
Step 200
200
#D0DEC8
oklch(88.4% 0.033 134)
-
Step 300
300
#B1CAA1
oklch(80.9% 0.062 133.3)
-
Step 400
400
#87AE6E
oklch(70.6% 0.099 133.9)
-
Step 500
500
#699A46
oklch(63.2% 0.127 133.9)
-
Step 600
600 (this color)
#578B2D
oklch(58% 0.137 133.8)
-
Step 700
700
#416F16
oklch(49% 0.127 133.6)
-
Step 800
800
#365B16
oklch(42.8% 0.106 133.6)
-
Step 900
900
#2F4B1A
oklch(37.8% 0.082 133.8)
-
Step 950
950
#1C2C10
oklch(27.1% 0.052 133.4)
#578B2D 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) | #908020 | 0.079 |
| Deuteranopia (no green cones) | #897C35 | 0.081 |
| Tritanopia (no blue cones) | #578678 | 0.101 |
| Achromatopsia (no color) | #7D7D7D | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578B2D
#578B2D
oklch(58% 0.137 133.8)
- #975FB3
#975FB3
oklch(58% 0.137 313.5)
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 #578B2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.014
- Sap Green #5C8B15 ΔE 0.015
- Fern Green #548D44 ΔE 0.021
- Moss Green #658B38 ΔE 0.021
- Olive Drab #6B8E23 ΔE 0.026
- Swamp #698339 ΔE 0.037
- Swamp Green #748500 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.038
Use #578B2D 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.