#508F3B
Closest named color: Fern Green (#548D44). oklch(58.8% 0.135 138.6), rgb(80, 143, 59).
Aa
Black text reads best on this color (5.33:1).
About this color
#508F3B is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.135 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 0.014 away. Black text reads best on it, at 5.33:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #508F3B |
| RGB | rgb(80, 143, 59) |
| HSL | hsl(105, 42%, 40%) |
| OKLCH | oklch(58.8% 0.135 138.6) |
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 #508F3B | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #508F3B | 5.33:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #508F3B text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #508F3B text on black | 5.33:1 | AA | Lc -35.1 | 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
#CEDFCA
oklch(88.5% 0.034 139.7)
-
Step 300
300
#ADCBA5
oklch(81% 0.062 139.1)
-
Step 400
400
#82AF74
oklch(70.6% 0.096 138.4)
-
Step 500
500
#619B4F
oklch(63.1% 0.124 138.7)
-
Step 600
600 (this color)
#508F3B
oklch(58.8% 0.135 138.6)
-
Step 700
700
#387123
oklch(49.2% 0.126 138.4)
-
Step 800
800
#2F5C1F
oklch(42.8% 0.104 138.4)
-
Step 900
900
#2A4B1F
oklch(37.6% 0.08 138.4)
-
Step 950
950
#192C13
oklch(26.9% 0.051 138.5)
#508F3B 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) | #938432 | 0.089 |
| Deuteranopia (no green cones) | #8A7E41 | 0.089 |
| Tritanopia (no blue cones) | #4C8A7D | 0.094 |
| Achromatopsia (no color) | #808080 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508F3B
#508F3B
oklch(58.8% 0.135 138.6)
- #9E60AF
#9E60AF
oklch(58.8% 0.134 318.8)
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 #508F3B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.014
- Mossy Green #638B27 ΔE 0.023
- Moss Green #658B38 ΔE 0.024
- Sap Green #5C8B15 ΔE 0.026
- Light Forest Green #4F9153 ΔE 0.026
- Olive Drab #6B8E23 ΔE 0.031
- Swamp #698339 ΔE 0.043
- Kelley Green #009337 ΔE 0.043
Use #508F3B 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.