#517F17
Closest named color: Dark Grass Green (#388004). oklch(54.3% 0.139 131.4), rgb(81, 127, 23).
Aa
White text reads best on this color (4.77:1).
About this color
#517F17 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.139 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grass Green (#388004), ΔE 0.028 away. White text reads best on it, at 4.77:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Dark Grass Green (#388004) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #517F17 |
| RGB | rgb(81, 127, 23) |
| HSL | hsl(87, 69%, 29%) |
| OKLCH | oklch(54.3% 0.139 131.4) |
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 #517F17 | 4.77:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #517F17 | 4.39:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #517F17 text on white | 4.77:1 | AA | Lc 72.9 | Content text, not long reading |
| #517F17 text on black | 4.39:1 | AA large text | Lc -28.8 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E6EDE0
oklch(93.7% 0.019 130.2)
-
Step 200
200
#D1DEC7
oklch(88.4% 0.034 131.4)
-
Step 300
300
#B2C9A0
oklch(80.8% 0.061 131.6)
-
Step 400
400
#8AAE6B
oklch(70.8% 0.1 131.5)
-
Step 500
500
#6D9941
oklch(63.1% 0.128 131.4)
-
Step 600
600 (this color)
#517F17
oklch(54.3% 0.139 131.4)
-
Step 700
700
#456F0D
oklch(49.2% 0.129 131.4)
-
Step 800
800
#395A10
oklch(42.6% 0.107 131.2)
-
Step 900
900
#314A16
oklch(37.6% 0.083 131.2)
-
Step 950
950
#1D2C0F
oklch(27.1% 0.053 131.7)
#517F17 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) | #857500 | 0.075 |
| Deuteranopia (no green cones) | #7F7123 | 0.077 |
| Tritanopia (no blue cones) | #53796C | 0.106 |
| Achromatopsia (no color) | #737373 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517F17
#517F17
oklch(54.3% 0.139 131.4)
- #8A54AA
#8A54AA
oklch(54.3% 0.14 311.6)
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 #517F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grass Green #388004 ΔE 0.028
- Olive Green #677A04 ΔE 0.028
- Murky Green #6C7A0E ΔE 0.036
- Tree Green #2A7E19 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.040
- Mossy Green #638B27 ΔE 0.044
- Forest Green #228B22 ΔE 0.046
- Swamp #698339 ΔE 0.046
Use #517F17 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.