#509E36
Closest named color: Mid Green (#50A747). oklch(62.7% 0.16 138.8), rgb(80, 158, 54).
Aa
Black text reads best on this color (6.28:1).
About this color
#509E36 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.160 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 0.027 away. Black text reads best on it, at 6.28:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Mid Green (#50A747) |
| Black text | 6.28:1 |
| White text | 3.34:1 |
Values
| HEX | #509E36 |
| RGB | rgb(80, 158, 54) |
| HSL | hsl(105, 49%, 42%) |
| OKLCH | oklch(62.7% 0.16 138.8) |
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 #509E36 | 3.34:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #509E36 | 6.28:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #509E36 text on white | 3.34:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #509E36 text on black | 6.28:1 | AA | Lc -41.1 | 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
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CBE1C5
oklch(88.6% 0.044 139)
-
Step 300
300
#A7CD9D
oklch(80.8% 0.078 139.2)
-
Step 400
400
#77B365
oklch(70.7% 0.125 138.7)
-
Step 500
500 (this color)
#509E36
oklch(62.7% 0.16 138.8)
-
Step 600
600
#328903
oklch(55.5% 0.173 138.8)
-
Step 700
700
#287400
oklch(49.2% 0.155 138.8)
-
Step 800
800
#205F01
oklch(42.8% 0.134 138.8)
-
Step 900
900
#204E10
oklch(37.7% 0.104 139)
-
Step 950
950
#142E0B
oklch(27.1% 0.067 138.6)
#509E36 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) | #A39129 | 0.106 |
| Deuteranopia (no green cones) | #988A3F | 0.105 |
| Tritanopia (no blue cones) | #4A9988 | 0.108 |
| Achromatopsia (no color) | #8C8C8C | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509E36
#509E36
oklch(62.7% 0.16 138.8)
- #B064C5
#B064C5
oklch(62.6% 0.16 318.6)
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 #509E36, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Green #50A747 ΔE 0.027
- Grass Green #3F9B0B ΔE 0.031
- Grassy Green #419C03 ΔE 0.032
- Muted Green #5FA052 ΔE 0.034
- Flat Green #699D4C ΔE 0.038
- Medium Green #39AD48 ΔE 0.041
- Fern #63A950 ΔE 0.044
- Leaf Green #5CA904 ΔE 0.045
Use #509E36 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.