#517131
Closest named color: Dark Olive Green (#556B2F). oklch(50.9% 0.099 131.2), rgb(81, 113, 49).
Aa
White text reads best on this color (5.59:1).
About this color
#517131 is a medium-dark, moderately saturated green. In OKLCH its lightness is 51%, its chroma 0.099 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.018 away. White text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.75:1 |
| White text | 5.59:1 |
Values
| HEX | #517131 |
| RGB | rgb(81, 113, 49) |
| HSL | hsl(90, 40%, 32%) |
| OKLCH | oklch(50.9% 0.099 131.2) |
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 #517131 | 5.59:1 | AA | Lc -83.1 | Fine for body text |
| Black text on #517131 | 3.75:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #517131 text on white | 5.59:1 | AA | Lc 77.8 | Fine for body text |
| #517131 text on black | 3.75:1 | AA large text | Lc -23.9 | 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 700.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D3DDCB
oklch(88.5% 0.027 130.9)
-
Step 300
300
#B6C7A8
oklch(80.8% 0.046 130.9)
-
Step 400
400
#90AB79
oklch(70.8% 0.076 131.2)
-
Step 500
500
#749655
oklch(63.1% 0.099 131.3)
-
Step 600
600
#5D803A
oklch(55.7% 0.106 131.1)
-
Step 700
700 (this color)
#517131
oklch(50.9% 0.099 131.2)
-
Step 800
800
#3F5825
oklch(42.7% 0.082 130.8)
-
Step 900
900
#354823
oklch(37.5% 0.063 131.1)
-
Step 950
950
#1F2B15
oklch(27.1% 0.042 132)
#517131 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) | #76692B | 0.056 |
| Deuteranopia (no green cones) | #716735 | 0.055 |
| Tritanopia (no blue cones) | #526D63 | 0.075 |
| Achromatopsia (no color) | #686868 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517131
#517131
oklch(50.9% 0.099 131.2)
- #78548F
#78548F
oklch(50.8% 0.099 311.3)
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 #517131, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.018
- Dark Moss Green #606C38 ΔE 0.028
- Muddy Green #657432 ΔE 0.030
- Camo Green #526525 ΔE 0.035
- Mud Green #606602 ΔE 0.039
- Browny Green #6F6C0A ΔE 0.044
- Brown Green #706C11 ΔE 0.045
- Military Green #667C3E ΔE 0.047
Use #517131 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.