#509F41
Closest named color: Mid Green (#50A747). oklch(63.1% 0.152 140.6), rgb(80, 159, 65).
Aa
Black text reads best on this color (6.37:1).
About this color
#509F41 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.152 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.023 away. Black text reads best on it, at 6.37:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #509F41 |
| RGB | rgb(80, 159, 65) |
| HSL | hsl(110, 42%, 44%) |
| OKLCH | oklch(63.1% 0.152 140.6) |
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 #509F41 | 3.29:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #509F41 | 6.37:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #509F41 text on white | 3.29:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #509F41 text on black | 6.37:1 | AA | Lc -41.7 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE0C7
oklch(88.4% 0.041 140.7)
-
Step 300
300
#A7CDA0
oklch(80.9% 0.074 140.7)
-
Step 400
400
#76B36B
oklch(70.7% 0.119 140.7)
-
Step 500
500 (this color)
#509F41
oklch(63.1% 0.152 140.6)
-
Step 600
600
#30891C
oklch(55.6% 0.165 140.5)
-
Step 700
700
#21740C
oklch(49% 0.153 140.6)
-
Step 800
800
#1E5F10
oklch(42.8% 0.128 140.7)
-
Step 900
900
#1F4E16
oklch(37.8% 0.1 140.6)
-
Step 950
950
#132E0F
oklch(27.1% 0.063 141.2)
#509F41 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) | #A39237 | 0.105 |
| Deuteranopia (no green cones) | #988B48 | 0.104 |
| Tritanopia (no blue cones) | #489A8A | 0.100 |
| Achromatopsia (no color) | #8E8E8E | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509F41
#509F41
oklch(63.1% 0.152 140.6)
- #B267C1
#B267C1
oklch(63.1% 0.152 320.8)
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 #509F41, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.023
- Muted Green #5FA052 ΔE 0.026
- Flat Green #699D4C ΔE 0.031
- Off Green #6BA353 ΔE 0.038
- Fern #63A950 ΔE 0.038
- Medium Green #39AD48 ΔE 0.040
- Grass Green #3F9B0B ΔE 0.040
- Grassy Green #419C03 ΔE 0.041
Use #509F41 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.