Fern Green #548D44
Fern Green is a medium-dark, moderately saturated green with hex code #548D44 and RGB rgb(84, 141, 68).
Aa
Black text reads best on this color (5.27:1).
About this color
#548D44 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.121 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. It is the named color Fern Green. Black text reads best on it, at 5.27:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Fern Green |
| Black text | 5.27:1 |
| White text | 3.98:1 |
Colors that go with Fern Green
Matches found by rotating Fern Green around the OKLCH hue wheel, each labelled with the closest name in our list.
Complementary
The opposite hue (180°).
Analogous
Neighbouring hues, 30° either side.
Triadic
Three hues spaced 120° apart.
Color palettes with Fern Green
Curated color palettes that contain a color within ΔE 0.06 (OKLab) of Fern Green, closest first.
Similar named colors
The eight named colors closest to Fern Green, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.017
- Moss Green #658B38 ΔE 0.020
- Mossy Green #638B27 ΔE 0.027
- Swamp #698339 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.036
- Khaki Green #728639 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.038
More about Fern Green
How to make Fern Green
A starting recipe from common paint colors, found with a spectral paint model (the color mixer’s paint mode). Real pigments vary, so mix a small test batch and adjust.
- 2 parts green
- 1 part orange
- 1 part pink
Recipe result: #538D43, a difference of ΔE 0.003 from Fern Green. That is very close: most people will not see the difference.
Codes for Fern Green in every format
| HEX | #548D44 |
| RGB | rgb(84, 141, 68) |
| HSL | hsl(107, 35%, 41%) |
| OKLCH | oklch(58.6% 0.121 139.1) |
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 #548D44 | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #548D44 | 5.27:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #548D44 text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #548D44 text on black | 5.27:1 | AA | Lc -34.6 | Non-text elements, placeholder text |
Shades and tints of Fern Green
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
#E5EDE3
oklch(93.7% 0.016 139.4)
-
Step 200
200
#CFDECB
oklch(88.4% 0.03 139.1)
-
Step 300
300
#AFCAA8
oklch(81% 0.055 139.3)
-
Step 400
400
#85AE79
oklch(70.7% 0.087 138.7)
-
Step 500
500
#659A57
oklch(63.2% 0.112 139.3)
-
Step 600
600 (this color)
#548D44
oklch(58.6% 0.121 139.1)
-
Step 700
700
#3C6F2D
oklch(49% 0.112 139.1)
-
Step 800
800
#325B26
oklch(42.7% 0.094 139)
-
Step 900
900
#2C4B24
oklch(37.8% 0.073 139.4)
-
Step 950
950
#1A2C16
oklch(27% 0.046 140)
Fern Green 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) | #91833E | 0.082 |
| Deuteranopia (no green cones) | #897D49 | 0.083 |
| Tritanopia (no blue cones) | #50897C | 0.081 |
| Achromatopsia (no color) | #7F7F7F | 0.121 |
Use Fern Green 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.