#508F45
Closest named color: Fern Green (#548D44). oklch(59% 0.125 140.8), rgb(80, 143, 69).
Aa
Black text reads best on this color (5.35:1).
About this color
#508F45 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.125 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.006 away. Black text reads best on it, at 5.35:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.35:1 |
| White text | 3.92:1 |
Values
| HEX | #508F45 |
| RGB | rgb(80, 143, 69) |
| HSL | hsl(111, 35%, 42%) |
| OKLCH | oklch(59% 0.125 140.8) |
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 #508F45 | 3.92:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #508F45 | 5.35:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #508F45 text on white | 3.92:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #508F45 text on black | 5.35:1 | AA | Lc -35.2 | 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
#E4EDE3
oklch(93.7% 0.016 142.6)
-
Step 200
200
#CEDFCB
oklch(88.5% 0.033 141)
-
Step 300
300
#ADCAA8
oklch(80.8% 0.056 141)
-
Step 400
400
#82AF79
oklch(70.7% 0.091 140.4)
-
Step 500
500
#619B57
oklch(63.2% 0.115 140.8)
-
Step 600
600 (this color)
#508F45
oklch(59% 0.125 140.8)
-
Step 700
700
#37702D
oklch(49% 0.116 140.8)
-
Step 800
800
#2E5C26
oklch(42.8% 0.098 140.8)
-
Step 900
900
#2A4B24
oklch(37.7% 0.074 140.6)
-
Step 950
950
#192C16
oklch(27% 0.047 141.1)
#508F45 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) | #92843F | 0.088 |
| Deuteranopia (no green cones) | #8A7E4A | 0.089 |
| Tritanopia (no blue cones) | #4A8B7E | 0.083 |
| Achromatopsia (no color) | #818181 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508F45
#508F45
oklch(59% 0.125 140.8)
- #9E62AA
#9E62AA
oklch(58.9% 0.125 320.8)
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 #508F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.006
- Light Forest Green #4F9153 ΔE 0.016
- Moss Green #658B38 ΔE 0.024
- Mossy Green #638B27 ΔE 0.029
- Sap Green #5C8B15 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.037
- Sea Green #2E8B57 ΔE 0.037
- Swamp #698339 ΔE 0.040
Use #508F45 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.