#509144
Closest named color: Fern Green (#548D44). oklch(59.5% 0.129 140.6), rgb(80, 145, 68).
Aa
Black text reads best on this color (5.47:1).
About this color
#509144 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.129 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 0.012 away. Black text reads best on it, at 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Fern Green (#548D44) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #509144 |
| RGB | rgb(80, 145, 68) |
| HSL | hsl(111, 36%, 42%) |
| OKLCH | oklch(59.5% 0.129 140.6) |
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 #509144 | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #509144 | 5.47:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #509144 text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #509144 text on black | 5.47:1 | AA | Lc -36.0 | 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 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E4EDE2
oklch(93.6% 0.017 140)
-
Step 200
200
#CDDFCA
oklch(88.4% 0.034 141.2)
-
Step 300
300
#ABCBA5
oklch(80.8% 0.063 140.7)
-
Step 400
400
#7EB074
oklch(70.6% 0.1 140.3)
-
Step 500
500 (this color)
#509144
oklch(59.5% 0.129 140.6)
-
Step 600
600
#3F8631
oklch(55.5% 0.14 140.5)
-
Step 700
700
#307223
oklch(49.1% 0.131 140.6)
-
Step 800
800
#295D1F
oklch(42.8% 0.109 140.6)
-
Step 900
900
#264C1F
oklch(37.6% 0.084 140.6)
-
Step 950
950
#172D13
oklch(27.1% 0.054 140.6)
#509144 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) | #95863D | 0.091 |
| Deuteranopia (no green cones) | #8B8049 | 0.089 |
| Tritanopia (no blue cones) | #4A8D7F | 0.085 |
| Achromatopsia (no color) | #828282 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509144
#509144
oklch(59.5% 0.129 140.6)
- #A163AD
#A163AD
oklch(59.5% 0.128 320.9)
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 #509144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Fern Green #548D44 ΔE 0.012
- Light Forest Green #4F9153 ΔE 0.018
- Moss Green #658B38 ΔE 0.025
- Mossy Green #638B27 ΔE 0.029
- Olive Drab #6B8E23 ΔE 0.034
- Sap Green #5C8B15 ΔE 0.035
- Sea Green #2E8B57 ΔE 0.042
- Swamp #698339 ΔE 0.044
Use #509144 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.