#517E59
Closest named color: Dark Sage (#598556). oklch(55% 0.076 149), rgb(81, 126, 89).
Aa
White text reads best on this color (4.68:1).
About this color
#517E59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.076 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.026 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.47:1 |
| White text | 4.68:1 |
Values
| HEX | #517E59 |
| RGB | rgb(81, 126, 89) |
| HSL | hsl(131, 22%, 41%) |
| OKLCH | oklch(55% 0.076 149) |
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 #517E59 | 4.68:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #517E59 | 4.47:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #517E59 text on white | 4.68:1 | AA | Lc 72.5 | Content text, not long reading |
| #517E59 text on black | 4.47:1 | AA large text | Lc -29.2 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE6
oklch(93.7% 0.01 145.5)
-
Step 200
200
#D1DDD2
oklch(88.5% 0.02 147.8)
-
Step 300
300
#B2C7B5
oklch(80.9% 0.034 149.5)
-
Step 400
400
#89AB8E
oklch(70.8% 0.056 149.1)
-
Step 500
500
#6C9672
oklch(63.2% 0.071 148.5)
-
Step 600
600 (this color)
#517E59
oklch(55% 0.076 149)
-
Step 700
700
#436C4A
oklch(49.1% 0.071 148.7)
-
Step 800
800
#38583D
oklch(42.7% 0.058 148.4)
-
Step 900
900
#304834
oklch(37.6% 0.045 149)
-
Step 950
950
#1C2A1F
oklch(26.8% 0.028 150.8)
#517E59 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) | #7F7757 | 0.063 |
| Deuteranopia (no green cones) | #78725B | 0.062 |
| Tritanopia (no blue cones) | #4B7C74 | 0.043 |
| Achromatopsia (no color) | #747474 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #517E59
#517E59
oklch(55% 0.076 149)
- #8A6187
#8A6187
oklch(54.9% 0.076 329.1)
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 #517E59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.026
- Military Green #667C3E ΔE 0.038
- Sea Green #2E8B57 ΔE 0.048
- Muddy Green #657432 ΔE 0.048
- Swamp #698339 ΔE 0.052
- Slate Green #658D6D ΔE 0.056
- Dark Moss Green #606C38 ΔE 0.056
- Viridian #1E9167 ΔE 0.059
Use #517E59 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.