#578340
Closest named color: Swamp (#698339). oklch(56.1% 0.108 135.8), rgb(87, 131, 64).
Aa
Black text reads best on this color (4.72:1).
About this color
#578340 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.108 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.022 away. Black text reads best on it, at 4.72:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #578340 |
| RGB | rgb(87, 131, 64) |
| HSL | hsl(99, 34%, 38%) |
| OKLCH | oklch(56.1% 0.108 135.8) |
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 #578340 | 4.44:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #578340 | 4.72:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #578340 text on white | 4.44:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #578340 text on black | 4.72:1 | AA | Lc -31.0 | 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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DDCC
oklch(88.4% 0.026 136.3)
-
Step 300
300
#B3C8A9
oklch(80.8% 0.048 135.5)
-
Step 400
400
#8BAC7B
oklch(70.7% 0.078 135.7)
-
Step 500
500
#6E9759
oklch(63.1% 0.099 135.6)
-
Step 600
600 (this color)
#578340
oklch(56.1% 0.108 135.8)
-
Step 700
700
#466D30
oklch(49.1% 0.1 135.5)
-
Step 800
800
#395929
oklch(42.7% 0.083 136.1)
-
Step 900
900
#324926
oklch(37.6% 0.063 135.6)
-
Step 950
950
#1D2B16
oklch(27% 0.042 135.8)
#578340 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) | #877A3A | 0.068 |
| Deuteranopia (no green cones) | #817644 | 0.069 |
| Tritanopia (no blue cones) | #567F73 | 0.076 |
| Achromatopsia (no color) | #787878 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578340
#578340
oklch(56.1% 0.108 135.8)
- #8D60A0
#8D60A0
oklch(56.1% 0.108 315.4)
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 #578340, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.022
- Military Green #667C3E ΔE 0.026
- Dark Sage #598556 ΔE 0.027
- Fern Green #548D44 ΔE 0.029
- Moss Green #658B38 ΔE 0.033
- Khaki Green #728639 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.040
- Mossy Green #638B27 ΔE 0.040
Use #578340 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.