#508D3E
Closest named color: Fern Green (#548D44). oklch(58.3% 0.129 139), rgb(80, 141, 62).
Aa
Black text reads best on this color (5.22:1).
About this color
#508D3E is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.129 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.009 away. Black text reads best on it, at 5.22:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.22:1 |
| White text | 4.02:1 |
Values
| HEX | #508D3E |
| RGB | rgb(80, 141, 62) |
| HSL | hsl(106, 39%, 40%) |
| OKLCH | oklch(58.3% 0.129 139) |
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 #508D3E | 4.02:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #508D3E | 5.22:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #508D3E text on white | 4.02:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #508D3E text on black | 5.22:1 | AA | Lc -34.3 | 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
#F3F7F2
oklch(97.2% 0.008 139.4)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CFDFCA
oklch(88.6% 0.033 138.2)
-
Step 300
300
#AECAA6
oklch(80.8% 0.058 138.8)
-
Step 400
400
#83AF76
oklch(70.7% 0.093 138.7)
-
Step 500
500
#629A52
oklch(63% 0.119 139)
-
Step 600
600 (this color)
#508D3E
oklch(58.3% 0.129 139)
-
Step 700
700
#397028
oklch(49% 0.12 139)
-
Step 800
800
#305B23
oklch(42.6% 0.098 139)
-
Step 900
900
#2B4B21
oklch(37.7% 0.077 138.7)
-
Step 950
950
#192C14
oklch(26.9% 0.049 139.3)
#508D3E 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) | #918237 | 0.087 |
| Deuteranopia (no green cones) | #887D44 | 0.086 |
| Tritanopia (no blue cones) | #4C897B | 0.087 |
| Achromatopsia (no color) | #7F7F7F | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508D3E
#508D3E
oklch(58.3% 0.129 139)
- #9C60AB
#9C60AB
oklch(58.4% 0.129 319.4)
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 #508D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.009
- Moss Green #658B38 ΔE 0.022
- Light Forest Green #4F9153 ΔE 0.024
- Mossy Green #638B27 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.029
- Olive Drab #6B8E23 ΔE 0.035
- Swamp #698339 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.039
Use #508D3E 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.