#509E2B
Closest named color: Grassy Green (#419C03). oklch(62.6% 0.167 137.5), rgb(80, 158, 43).
Aa
Black text reads best on this color (6.26:1).
About this color
#509E2B is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.167 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grassy Green (#419C03), ΔE 0.024 away. Black text reads best on it, at 6.26:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Grassy Green (#419C03) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #509E2B |
| RGB | rgb(80, 158, 43) |
| HSL | hsl(101, 57%, 39%) |
| OKLCH | oklch(62.6% 0.167 137.5) |
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 #509E2B | 3.35:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #509E2B | 6.26:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #509E2B text on white | 3.35:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #509E2B text on black | 6.26:1 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDF
oklch(93.7% 0.023 137.2)
-
Step 200
200
#CBE1C4
oklch(88.6% 0.046 138.1)
-
Step 300
300
#A7CE9A
oklch(81% 0.083 138)
-
Step 400
400
#77B360
oklch(70.6% 0.13 137.6)
-
Step 500
500 (this color)
#509E2B
oklch(62.6% 0.167 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2F7300
oklch(49.2% 0.15 137.5)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#204E07
oklch(37.7% 0.109 137.6)
-
Step 950
950
#142E08
oklch(27.1% 0.07 137.4)
#509E2B 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) | #A39017 | 0.106 |
| Deuteranopia (no green cones) | #998A36 | 0.107 |
| Tritanopia (no blue cones) | #4B9887 | 0.117 |
| Achromatopsia (no color) | #8C8C8C | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509E2B
#509E2B
oklch(62.6% 0.167 137.5)
- #B062C9
#B062C9
oklch(62.5% 0.168 317.4)
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 #509E2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grassy Green #419C03 ΔE 0.024
- Grass Green #3F9B0B ΔE 0.025
- Mid Green #50A747 ΔE 0.031
- Leaf Green #5CA904 ΔE 0.041
- Muted Green #5FA052 ΔE 0.042
- Medium Green #39AD48 ΔE 0.042
- Grass #5CAC2D ΔE 0.044
- Flat Green #699D4C ΔE 0.045
Use #509E2B 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.