#508C61
Closest named color: Dark Sage (#598556). oklch(58.7% 0.091 151.8), rgb(80, 140, 97).
Aa
Black text reads best on this color (5.26:1).
About this color
#508C61 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.091 and its hue 152°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.021 away. Black text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #508C61 |
| RGB | rgb(80, 140, 97) |
| HSL | hsl(137, 27%, 43%) |
| OKLCH | oklch(58.7% 0.091 151.8) |
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 #508C61 | 3.98:1 | AA large text | Lc -72.6 | Content text, not long reading |
| Black text on #508C61 | 5.26:1 | AA | Lc 37.0 | Non-text elements, placeholder text |
| #508C61 text on white | 3.98:1 | AA large text | Lc 67.1 | Content text, not long reading |
| #508C61 text on black | 5.26:1 | AA | Lc -34.6 | 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
#E4ECE6
oklch(93.5% 0.012 153.7)
-
Step 200
200
#CFDED2
oklch(88.6% 0.023 151.6)
-
Step 300
300
#AEC9B4
oklch(81% 0.041 152)
-
Step 400
400
#82AD8C
oklch(70.7% 0.067 151.6)
-
Step 500
500
#619870
oklch(63% 0.084 152.1)
-
Step 600
600 (this color)
#508C61
oklch(58.7% 0.091 151.8)
-
Step 700
700
#386E48
oklch(49% 0.084 151.8)
-
Step 800
800
#2F5A3B
oklch(42.7% 0.071 151.4)
-
Step 900
900
#2A4A33
oklch(37.7% 0.055 152)
-
Step 950
950
#192B1E
oklch(26.9% 0.034 152.4)
#508C61 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) | #8C835E | 0.078 |
| Deuteranopia (no green cones) | #837D64 | 0.077 |
| Tritanopia (no blue cones) | #458A81 | 0.049 |
| Achromatopsia (no color) | #7F7F7F | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508C61
#508C61
oklch(58.7% 0.091 151.8)
- #9C6895
#9C6895
oklch(58.7% 0.091 331.5)
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 #508C61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.021
- Light Forest Green #4F9153 ΔE 0.028
- Slate Green #658D6D ΔE 0.031
- Viridian #1E9167 ΔE 0.033
- Sea Green #2E8B57 ΔE 0.034
- Fern Green #548D44 ΔE 0.038
- Ocean Green #3D9973 ΔE 0.038
- Swamp #698339 ΔE 0.049
Use #508C61 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.