#508B59
Closest named color: Dark Sage (#598556). oklch(58.3% 0.098 147.8), rgb(80, 139, 89).
Aa
Black text reads best on this color (5.17:1).
About this color
#508B59 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.098 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.018 away. Black text reads best on it, at 5.17:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #508B59 |
| RGB | rgb(80, 139, 89) |
| HSL | hsl(129, 27%, 43%) |
| OKLCH | oklch(58.3% 0.098 147.8) |
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 #508B59 | 4.05:1 | AA large text | Lc -73.1 | Content text, not long reading |
| Black text on #508B59 | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #508B59 text on white | 4.05:1 | AA large text | Lc 67.6 | Content text, not long reading |
| #508B59 text on black | 5.17:1 | AA | Lc -34.0 | 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
#F3F7F3
oklch(97.2% 0.007 145.5)
-
Step 100
100
#E4ECE5
oklch(93.5% 0.013 149.2)
-
Step 200
200
#CFDED0
oklch(88.5% 0.025 147.3)
-
Step 300
300
#AEC9B1
oklch(80.9% 0.044 148.3)
-
Step 400
400
#83AD88
oklch(70.7% 0.07 148)
-
Step 500
500
#63996A
oklch(63.2% 0.091 147.6)
-
Step 600
600 (this color)
#508B59
oklch(58.3% 0.098 147.8)
-
Step 700
700
#396F42
oklch(49.2% 0.092 147.8)
-
Step 800
800
#305A37
oklch(42.7% 0.074 148)
-
Step 900
900
#2B4A2F
oklch(37.7% 0.059 147.4)
-
Step 950
950
#192B1C
oklch(26.8% 0.037 148.7)
#508B59 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) | #8C8256 | 0.079 |
| Deuteranopia (no green cones) | #847C5C | 0.079 |
| Tritanopia (no blue cones) | #47897E | 0.056 |
| Achromatopsia (no color) | #7E7E7E | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B59
#508B59
oklch(58.3% 0.098 147.8)
- #9A6599
#9A6599
oklch(58.2% 0.099 327.4)
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 #508B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.018
- Light Forest Green #4F9153 ΔE 0.022
- Fern Green #548D44 ΔE 0.028
- Sea Green #2E8B57 ΔE 0.028
- Viridian #1E9167 ΔE 0.035
- Slate Green #658D6D ΔE 0.039
- Moss Green #658B38 ΔE 0.041
- Swamp #698339 ΔE 0.041
Use #508B59 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.