#518E44
Closest named color: Fern Green (#548D44). oklch(58.7% 0.124 140.2), rgb(81, 142, 68).
Aa
Black text reads best on this color (5.30:1).
About this color
#518E44 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.124 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.004 away. Black text reads best on it, at 5.30:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.30:1 |
| White text | 3.96:1 |
Values
| HEX | #518E44 |
| RGB | rgb(81, 142, 68) |
| HSL | hsl(109, 35%, 41%) |
| OKLCH | oklch(58.7% 0.124 140.2) |
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 #518E44 | 3.96:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #518E44 | 5.30:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #518E44 text on white | 3.96:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #518E44 text on black | 5.30:1 | AA | Lc -34.9 | 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
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CFDFCB
oklch(88.6% 0.032 139.4)
-
Step 300
300
#AECAA8
oklch(80.9% 0.056 140.1)
-
Step 400
400
#83AF79
oklch(70.8% 0.09 139.9)
-
Step 500
500
#629A56
oklch(63% 0.114 140.1)
-
Step 600
600 (this color)
#518E44
oklch(58.7% 0.124 140.2)
-
Step 700
700
#39702D
oklch(49.1% 0.115 140.1)
-
Step 800
800
#305B26
oklch(42.6% 0.095 139.9)
-
Step 900
900
#2B4B24
oklch(37.7% 0.074 140)
-
Step 950
950
#192C15
oklch(27% 0.048 140.2)
#518E44 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) | #92833E | 0.087 |
| Deuteranopia (no green cones) | #897E49 | 0.086 |
| Tritanopia (no blue cones) | #4C8A7D | 0.083 |
| Achromatopsia (no color) | #808080 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518E44
#518E44
oklch(58.7% 0.124 140.2)
- #9D62AA
#9D62AA
oklch(58.8% 0.125 320.2)
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 #518E44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.004
- Light Forest Green #4F9153 ΔE 0.017
- Moss Green #658B38 ΔE 0.022
- Mossy Green #638B27 ΔE 0.028
- Sap Green #5C8B15 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.036
- Sea Green #2E8B57 ΔE 0.037
- Swamp #698339 ΔE 0.037
Use #518E44 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.