#578C4E
Closest named color: Fern Green (#548D44). oklch(58.7% 0.107 140.9), rgb(87, 140, 78).
Aa
Black text reads best on this color (5.26:1).
About this color
#578C4E is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.107 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.014 away. Black text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #578C4E |
| RGB | rgb(87, 140, 78) |
| HSL | hsl(111, 28%, 43%) |
| OKLCH | oklch(58.7% 0.107 140.9) |
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 #578C4E | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #578C4E | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #578C4E text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #578C4E text on black | 5.26:1 | AA | Lc -34.6 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E5ECE4
oklch(93.6% 0.013 141.8)
-
Step 200
200
#D0DECD
oklch(88.5% 0.027 140.2)
-
Step 300
300
#B0C9AC
oklch(80.9% 0.048 141.3)
-
Step 400
400
#86AD80
oklch(70.7% 0.077 141.3)
-
Step 500
500
#67985F
oklch(63% 0.098 141)
-
Step 600
600 (this color)
#578C4E
oklch(58.7% 0.107 140.9)
-
Step 700
700
#3F6E37
oklch(49% 0.098 140.8)
-
Step 800
800
#345A2E
oklch(42.7% 0.082 141)
-
Step 900
900
#2E4A29
oklch(37.7% 0.064 140.7)
-
Step 950
950
#1B2B18
oklch(26.9% 0.04 140.6)
#578C4E 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) | #8F8249 | 0.077 |
| Deuteranopia (no green cones) | #877D52 | 0.076 |
| Tritanopia (no blue cones) | #53887D | 0.071 |
| Achromatopsia (no color) | #7F7F7F | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578C4E
#578C4E
oklch(58.7% 0.107 140.9)
- #9966A3
#9966A3
oklch(58.7% 0.107 320.9)
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 #578C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.014
- Light Forest Green #4F9153 ΔE 0.015
- Moss Green #658B38 ΔE 0.025
- Dark Sage #598556 ΔE 0.027
- Swamp #698339 ΔE 0.032
- Khaki Green #728639 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.035
- Mossy Green #638B27 ΔE 0.037
Use #578C4E 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.