#508B4F
Closest named color: Fern Green (#548D44). oklch(58.1% 0.109 143.7), rgb(80, 139, 79).
Aa
Black text reads best on this color (5.14:1).
About this color
#508B4F is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.109 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.016 away. Black text reads best on it, at 5.14:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.14:1 |
| White text | 4.08:1 |
Values
| HEX | #508B4F |
| RGB | rgb(80, 139, 79) |
| HSL | hsl(119, 28%, 43%) |
| OKLCH | oklch(58.1% 0.109 143.7) |
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 #508B4F | 4.08:1 | AA large text | Lc -73.3 | Content text, not long reading |
| Black text on #508B4F | 5.14:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #508B4F text on white | 4.08:1 | AA large text | Lc 67.8 | Content text, not long reading |
| #508B4F text on black | 5.14:1 | AA | Lc -33.8 | 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
#E4ECE4
oklch(93.5% 0.014 145.5)
-
Step 200
200
#CFDECE
oklch(88.5% 0.027 143.6)
-
Step 300
300
#AEC9AD
oklch(80.8% 0.049 144.2)
-
Step 400
400
#83AE81
oklch(70.8% 0.079 143.6)
-
Step 500
500
#639961
oklch(63% 0.1 143.5)
-
Step 600
600 (this color)
#508B4F
oklch(58.1% 0.109 143.7)
-
Step 700
700
#3A6F39
oklch(49.1% 0.101 143.5)
-
Step 800
800
#305B30
oklch(42.8% 0.084 143.9)
-
Step 900
900
#2B4A2A
oklch(37.5% 0.065 143.5)
-
Step 950
950
#1A2C19
oklch(27.1% 0.042 143.1)
#508B4F 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) | #8D814B | 0.082 |
| Deuteranopia (no green cones) | #857B53 | 0.082 |
| Tritanopia (no blue cones) | #49887C | 0.067 |
| Achromatopsia (no color) | #7E7E7E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508B4F
#508B4F
oklch(58.1% 0.109 143.7)
- #9A639F
#9A639F
oklch(58.1% 0.109 323.9)
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 #508B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.016
- Light Forest Green #4F9153 ΔE 0.017
- Dark Sage #598556 ΔE 0.025
- Sea Green #2E8B57 ΔE 0.027
- Moss Green #658B38 ΔE 0.031
- Swamp #698339 ΔE 0.035
- Viridian #1E9167 ΔE 0.039
- Mossy Green #638B27 ΔE 0.041
Use #508B4F 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.