#509D3A
Closest named color: Mid Green (#50A747). oklch(62.5% 0.155 139.3), rgb(80, 157, 58).
Aa
Black text reads best on this color (6.22:1).
About this color
#509D3A is a medium-light, vivid green. In OKLCH its lightness is 62%, its chroma 0.155 and its hue 139°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mid Green (#50A747), ΔE 0.029 away. Black text reads best on it, at 6.22:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.155) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.22:1 |
| White text | 3.37:1 |
Values
| HEX | #509D3A |
| RGB | rgb(80, 157, 58) |
| HSL | hsl(107, 46%, 42%) |
| OKLCH | oklch(62.5% 0.155 139.3) |
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 #509D3A | 3.37:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #509D3A | 6.22:1 | AA | Lc 43.1 | Non-text elements, placeholder text |
| #509D3A text on white | 3.37:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #509D3A text on black | 6.22:1 | AA | Lc -40.8 | 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 500.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EEE0
oklch(93.7% 0.022 139)
-
Step 200
200
#CBE0C6
oklch(88.4% 0.042 139.7)
-
Step 300
300
#A8CD9E
oklch(80.9% 0.076 139.1)
-
Step 400
400
#78B368
oklch(70.8% 0.121 139.2)
-
Step 500
500 (this color)
#509D3A
oklch(62.5% 0.155 139.3)
-
Step 600
600
#338912
oklch(55.6% 0.168 139.3)
-
Step 700
700
#257400
oklch(49.1% 0.156 139.3)
-
Step 800
800
#205F08
oklch(42.8% 0.13 139.4)
-
Step 900
900
#214E13
oklch(37.8% 0.101 139.2)
-
Step 950
950
#142E0D
oklch(27.1% 0.065 139.5)
#509D3A 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) | #A1902F | 0.103 |
| Deuteranopia (no green cones) | #978942 | 0.104 |
| Tritanopia (no blue cones) | #499888 | 0.105 |
| Achromatopsia (no color) | #8C8C8C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509D3A
#509D3A
oklch(62.5% 0.155 139.3)
- #AF65C2
#AF65C2
oklch(62.5% 0.155 319.2)
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 #509D3A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.029
- Muted Green #5FA052 ΔE 0.032
- Grass Green #3F9B0B ΔE 0.034
- Flat Green #699D4C ΔE 0.035
- Grassy Green #419C03 ΔE 0.035
- Off Green #6BA353 ΔE 0.044
- Medium Green #39AD48 ΔE 0.044
- Fern #63A950 ΔE 0.045
Use #509D3A 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.