#509D55
Closest named color: Muted Green (#5FA052). oklch(62.9% 0.13 145.1), rgb(80, 157, 85).
Aa
Black text reads best on this color (6.29:1).
About this color
#509D55 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.130 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.018 away. Black text reads best on it, at 6.29:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.29:1 |
| White text | 3.33:1 |
Values
| HEX | #509D55 |
| RGB | rgb(80, 157, 85) |
| HSL | hsl(124, 32%, 46%) |
| OKLCH | oklch(62.9% 0.13 145.1) |
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 #509D55 | 3.33:1 | AA large text | Lc -66.0 | Content text, not long reading |
| Black text on #509D55 | 6.29:1 | AA | Lc 43.5 | Non-text elements, placeholder text |
| #509D55 text on white | 3.33:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #509D55 text on black | 6.29:1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0CB
oklch(88.5% 0.036 145.3)
-
Step 300
300
#A8CCA8
oklch(80.9% 0.063 145)
-
Step 400
400
#77B279
oklch(70.8% 0.102 145.2)
-
Step 500
500 (this color)
#509D55
oklch(62.9% 0.13 145.1)
-
Step 600
600
#31883A
oklch(55.6% 0.141 145.1)
-
Step 700
700
#22732C
oklch(49% 0.131 145.2)
-
Step 800
800
#1F5E25
oklch(42.7% 0.11 144.9)
-
Step 900
900
#204D23
oklch(37.7% 0.085 144.9)
-
Step 950
950
#142D15
oklch(26.9% 0.053 144.7)
#509D55 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) | #9F914F | 0.099 |
| Deuteranopia (no green cones) | #958A5A | 0.099 |
| Tritanopia (no blue cones) | #449A8C | 0.079 |
| Achromatopsia (no color) | #8D8D8D | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509D55
#509D55
oklch(62.9% 0.13 145.1)
- #B06BB4
#B06BB4
oklch(62.9% 0.131 325)
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 #509D55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.018
- Flat Green #699D4C ΔE 0.025
- Off Green #6BA353 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.036
- Mid Green #50A747 ΔE 0.037
- Drab Green #749551 ΔE 0.041
- Moss #769958 ΔE 0.042
- Jade #1FA774 ΔE 0.043
Use #509D55 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.