#508331
Closest named color: Fern Green (#548D44). oklch(55.5% 0.126 135.4), rgb(80, 131, 49).
Aa
Black text reads best on this color (4.63:1).
About this color
#508331 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.126 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Fern Green (#548D44), ΔE 0.032 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.126) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #508331 |
| RGB | rgb(80, 131, 49) |
| HSL | hsl(97, 46%, 35%) |
| OKLCH | oklch(55.5% 0.126 135.4) |
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 #508331 | 4.53:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #508331 | 4.63:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #508331 text on white | 4.53:1 | AA | Lc 71.3 | Content text, not long reading |
| #508331 text on black | 4.63:1 | 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
#E5EDE2
oklch(93.7% 0.017 137)
-
Step 200
200
#D0DECA
oklch(88.5% 0.031 136.2)
-
Step 300
300
#B1C9A5
oklch(80.8% 0.056 135.2)
-
Step 400
400
#88AE74
oklch(70.8% 0.091 135.2)
-
Step 500
500
#69994F
oklch(63.1% 0.116 135.5)
-
Step 600
600 (this color)
#508331
oklch(55.5% 0.126 135.4)
-
Step 700
700
#416F24
oklch(49.1% 0.117 135.4)
-
Step 800
800
#365A1F
oklch(42.6% 0.097 135.1)
-
Step 900
900
#2F4A1F
oklch(37.6% 0.075 135.1)
-
Step 950
950
#1C2C13
oklch(27.1% 0.048 135.2)
#508331 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) | #887928 | 0.078 |
| Deuteranopia (no green cones) | #817537 | 0.078 |
| Tritanopia (no blue cones) | #4F7E71 | 0.091 |
| Achromatopsia (no color) | #767676 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508331
#508331
oklch(55.5% 0.126 135.4)
- #8F5AA5
#8F5AA5
oklch(55.6% 0.126 315.4)
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 #508331, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.032
- Swamp #698339 ΔE 0.034
- Olive Green #677A04 ΔE 0.036
- Mossy Green #638B27 ΔE 0.036
- Sap Green #5C8B15 ΔE 0.036
- Moss Green #658B38 ΔE 0.037
- Murky Green #6C7A0E ΔE 0.039
- Military Green #667C3E ΔE 0.040
Use #508331 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.