#517D40
Closest named color: Military Green (#667C3E). oklch(54.2% 0.102 137.5), rgb(81, 125, 64).
Aa
White text reads best on this color (4.81:1).
About this color
#517D40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.102 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.026 away. White text reads best on it, at 4.81:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.35:1 |
| White text | 4.81:1 |
Values
| HEX | #517D40 |
| RGB | rgb(81, 125, 64) |
| HSL | hsl(103, 32%, 37%) |
| OKLCH | oklch(54.2% 0.102 137.5) |
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 #517D40 | 4.81:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #517D40 | 4.35:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #517D40 text on white | 4.81:1 | AA | Lc 73.3 | Content text, not long reading |
| #517D40 text on black | 4.35:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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
#F3F6F2
oklch(97% 0.006 137.8)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D1DDCD
oklch(88.4% 0.025 137.8)
-
Step 300
300
#B3C8AB
oklch(80.9% 0.046 137)
-
Step 400
400
#8BAC7F
oklch(70.8% 0.073 137.5)
-
Step 500
500
#6D975E
oklch(63.1% 0.094 137.7)
-
Step 600
600 (this color)
#517D40
oklch(54.2% 0.102 137.5)
-
Step 700
700
#456D36
oklch(49.1% 0.094 137.7)
-
Step 800
800
#39592D
oklch(42.7% 0.078 137.7)
-
Step 900
900
#314928
oklch(37.6% 0.061 137.6)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#517D40 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) | #81743B | 0.069 |
| Deuteranopia (no green cones) | #7A7044 | 0.068 |
| Tritanopia (no blue cones) | #4F796F | 0.072 |
| Achromatopsia (no color) | #727272 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517D40
#517D40
oklch(54.2% 0.102 137.5)
- #885B96
#885B96
oklch(54.2% 0.103 317.9)
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 #517D40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.026
- Muddy Green #657432 ΔE 0.032
- Dark Sage #598556 ΔE 0.035
- Swamp #698339 ΔE 0.037
- Olive Green #677A04 ΔE 0.044
- Murky Green #6C7A0E ΔE 0.044
- Sea Green #2E8B57 ΔE 0.046
- Jungle Green #048243 ΔE 0.048
Use #517D40 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.