#578A3E
Closest named color: Fern Green (#548D44). oklch(57.9% 0.121 136.4), rgb(87, 138, 62).
Aa
Black text reads best on this color (5.11:1).
About this color
#578A3E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.121 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.009 away. Black text reads best on it, at 5.11:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #578A3E |
| RGB | rgb(87, 138, 62) |
| HSL | hsl(100, 38%, 39%) |
| OKLCH | oklch(57.9% 0.121 136.4) |
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 #578A3E | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #578A3E | 5.11:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #578A3E text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #578A3E text on black | 5.11:1 | AA | Lc -33.6 | 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
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D0DECB
oklch(88.5% 0.03 137.4)
-
Step 300
300
#B1C9A7
oklch(80.9% 0.054 136.5)
-
Step 400
400
#88AD77
oklch(70.6% 0.086 136.1)
-
Step 500
500
#699953
oklch(63.1% 0.112 136.5)
-
Step 600
600 (this color)
#578A3E
oklch(57.9% 0.121 136.4)
-
Step 700
700
#416F29
oklch(49.2% 0.113 136.3)
-
Step 800
800
#365A23
oklch(42.7% 0.093 136.1)
-
Step 900
900
#2F4A22
oklch(37.6% 0.072 136.3)
-
Step 950
950
#1C2C14
oklch(27.2% 0.047 135.9)
#578A3E 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) | #8E8037 | 0.076 |
| Deuteranopia (no green cones) | #877C43 | 0.076 |
| Tritanopia (no blue cones) | #558579 | 0.086 |
| Achromatopsia (no color) | #7D7D7D | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #578A3E
#578A3E
oklch(57.9% 0.121 136.4)
- #9662AA
#9662AA
oklch(58% 0.121 316.2)
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 #578A3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.009
- Moss Green #658B38 ΔE 0.017
- Mossy Green #638B27 ΔE 0.023
- Light Forest Green #4F9153 ΔE 0.026
- Swamp #698339 ΔE 0.027
- Sap Green #5C8B15 ΔE 0.032
- Khaki Green #728639 ΔE 0.033
- Olive Drab #6B8E23 ΔE 0.035
Use #578A3E 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.