#508337
Closest named color: Fern Green (#548D44). oklch(55.6% 0.121 136.5), rgb(80, 131, 55).
Aa
Black text reads best on this color (4.64:1).
About this color
#508337 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.121 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.031 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #508337 |
| RGB | rgb(80, 131, 55) |
| HSL | hsl(100, 41%, 36%) |
| OKLCH | oklch(55.6% 0.121 136.5) |
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 #508337 | 4.52:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #508337 | 4.64:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #508337 text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #508337 text on black | 4.64:1 | AA | Lc -30.4 | 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
#E5ECE2
oklch(93.5% 0.015 136.1)
-
Step 200
200
#D0DECB
oklch(88.5% 0.03 137.4)
-
Step 300
300
#B1C9A7
oklch(80.9% 0.054 136.5)
-
Step 400
400
#87AD77
oklch(70.6% 0.087 136.7)
-
Step 500
500
#699953
oklch(63.1% 0.112 136.5)
-
Step 600
600 (this color)
#508337
oklch(55.6% 0.121 136.5)
-
Step 700
700
#416F29
oklch(49.2% 0.113 136.3)
-
Step 800
800
#355A23
oklch(42.6% 0.093 136.6)
-
Step 900
900
#2F4A22
oklch(37.6% 0.072 136.3)
-
Step 950
950
#1C2C14
oklch(27.2% 0.047 135.9)
#508337 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) | #87792F | 0.076 |
| Deuteranopia (no green cones) | #80753C | 0.076 |
| Tritanopia (no blue cones) | #4E7F72 | 0.084 |
| Achromatopsia (no color) | #767676 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508337
#508337
oklch(55.6% 0.121 136.5)
- #8F5BA2
#8F5BA2
oklch(55.6% 0.121 316.6)
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 #508337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.031
- Swamp #698339 ΔE 0.031
- Military Green #667C3E ΔE 0.036
- Moss Green #658B38 ΔE 0.036
- Mossy Green #638B27 ΔE 0.038
- Olive Green #677A04 ΔE 0.038
- Dark Sage #598556 ΔE 0.040
- Sap Green #5C8B15 ΔE 0.040
Use #508337 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.