#518161
Closest named color: Dark Sage (#598556). oklch(55.9% 0.072 154.2), rgb(81, 129, 97).
Aa
Black text reads best on this color (4.66:1).
About this color
#518161 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.072 and its hue 154°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.024 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #518161 |
| RGB | rgb(81, 129, 97) |
| HSL | hsl(140, 23%, 41%) |
| OKLCH | oklch(55.9% 0.072 154.2) |
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 #518161 | 4.50:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #518161 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #518161 text on white | 4.50:1 | AA | Lc 71.2 | Content text, not long reading |
| #518161 text on black | 4.66:1 | AA | Lc -30.5 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE7
oklch(93.6% 0.01 155.1)
-
Step 200
200
#D0DDD4
oklch(88.5% 0.019 155.8)
-
Step 300
300
#B1C7B7
oklch(80.8% 0.033 154)
-
Step 400
400
#88AB92
oklch(70.8% 0.053 153.8)
-
Step 500
500
#699677
oklch(63.2% 0.068 154)
-
Step 600
600 (this color)
#518161
oklch(55.9% 0.072 154.2)
-
Step 700
700
#406C4F
oklch(49.1% 0.068 154.3)
-
Step 800
800
#355841
oklch(42.6% 0.056 154.5)
-
Step 900
900
#2F4937
oklch(37.8% 0.044 153.6)
-
Step 950
950
#1C2A20
oklch(26.9% 0.027 153.3)
#518161 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) | #817A5F | 0.065 |
| Deuteranopia (no green cones) | #797563 | 0.062 |
| Tritanopia (no blue cones) | #488078 | 0.036 |
| Achromatopsia (no color) | #777777 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518161
#518161
oklch(55.9% 0.072 154.2)
- #8F6486
#8F6486
oklch(55.9% 0.073 334.2)
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 #518161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.024
- Military Green #667C3E ΔE 0.045
- Slate Green #658D6D ΔE 0.046
- Sea Green #2E8B57 ΔE 0.047
- Viridian #1E9167 ΔE 0.054
- Swamp #698339 ΔE 0.056
- Dusty Teal #4C9085 ΔE 0.057
- Light Forest Green #4F9153 ΔE 0.058
Use #518161 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.