#518D52
Closest named color: Light Forest Green (#4F9153). oklch(58.7% 0.108 144.4), rgb(81, 141, 82).
Aa
Black text reads best on this color (5.28:1).
About this color
#518D52 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.108 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Forest Green (#4F9153), ΔE 0.012 away. Black text reads best on it, at 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Light Forest Green (#4F9153) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #518D52 |
| RGB | rgb(81, 141, 82) |
| HSL | hsl(121, 27%, 44%) |
| OKLCH | oklch(58.7% 0.108 144.4) |
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 #518D52 | 3.97:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #518D52 | 5.28:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #518D52 text on white | 3.97:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #518D52 text on black | 5.28:1 | AA | Lc -34.7 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE4
oklch(93.5% 0.014 145.5)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AEC9AD
oklch(80.8% 0.049 144.2)
-
Step 400
400
#83AE82
oklch(70.8% 0.078 144.1)
-
Step 500
500
#629963
oklch(63% 0.099 144.7)
-
Step 600
600 (this color)
#518D52
oklch(58.7% 0.108 144.4)
-
Step 700
700
#396F3A
oklch(49% 0.1 144.2)
-
Step 800
800
#305B31
oklch(42.8% 0.083 144.4)
-
Step 900
900
#2B4B2B
oklch(37.9% 0.065 144.1)
-
Step 950
950
#192C19
oklch(27% 0.043 144.3)
#518D52 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) | #8F834E | 0.082 |
| Deuteranopia (no green cones) | #867D56 | 0.082 |
| Tritanopia (no blue cones) | #4A8A7E | 0.066 |
| Achromatopsia (no color) | #808080 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518D52
#518D52
oklch(58.7% 0.108 144.4)
- #9C65A0
#9C65A0
oklch(58.7% 0.108 324.5)
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 #518D52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Forest Green #4F9153 ΔE 0.012
- Fern Green #548D44 ΔE 0.017
- Dark Sage #598556 ΔE 0.027
- Sea Green #2E8B57 ΔE 0.030
- Moss Green #658B38 ΔE 0.031
- Viridian #1E9167 ΔE 0.038
- Swamp #698339 ΔE 0.038
- Khaki Green #728639 ΔE 0.042
Use #518D52 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.