#517E40
Closest named color: Military Green (#667C3E). oklch(54.5% 0.104 137.7), rgb(81, 126, 64).
Aa
White text reads best on this color (4.76:1).
About this color
#517E40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.104 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 4.76:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.40:1 |
| White text | 4.76:1 |
Values
| HEX | #517E40 |
| RGB | rgb(81, 126, 64) |
| HSL | hsl(104, 33%, 37%) |
| OKLCH | oklch(54.5% 0.104 137.7) |
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 #517E40 | 4.76:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #517E40 | 4.40:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #517E40 text on white | 4.76:1 | AA | Lc 73.0 | Content text, not long reading |
| #517E40 text on black | 4.40:1 | AA large text | Lc -28.7 | 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
#B2C8AB
oklch(80.8% 0.047 138.1)
-
Step 400
400
#8AAC7E
oklch(70.7% 0.075 137.7)
-
Step 500
500
#6D975D
oklch(63.1% 0.095 137.4)
-
Step 600
600 (this color)
#517E40
oklch(54.5% 0.104 137.7)
-
Step 700
700
#446D35
oklch(49% 0.096 137.9)
-
Step 800
800
#39592C
oklch(42.7% 0.08 137.3)
-
Step 900
900
#314928
oklch(37.6% 0.061 137.6)
-
Step 950
950
#1D2B18
oklch(27% 0.039 137.7)
#517E40 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) | #82753B | 0.070 |
| Deuteranopia (no green cones) | #7B7144 | 0.069 |
| Tritanopia (no blue cones) | #4F7A6F | 0.071 |
| Achromatopsia (no color) | #737373 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517E40
#517E40
oklch(54.5% 0.104 137.7)
- #895C97
#895C97
oklch(54.6% 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 #517E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.026
- Dark Sage #598556 ΔE 0.033
- Muddy Green #657432 ΔE 0.034
- Swamp #698339 ΔE 0.035
- Olive Green #677A04 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.044
- Murky Green #6C7A0E ΔE 0.044
- Fern Green #548D44 ΔE 0.045
Use #517E40 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.