#509A51
Closest named color: Muted Green (#5FA052). oklch(62% 0.13 144.1), rgb(80, 154, 81).
Aa
Black text reads best on this color (6.08:1).
About this color
#509A51 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.130 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.024 away. Black text reads best on it, at 6.08:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.08:1 |
| White text | 3.45:1 |
Values
| HEX | #509A51 |
| RGB | rgb(80, 154, 81) |
| HSL | hsl(121, 32%, 46%) |
| OKLCH | oklch(62% 0.13 144.1) |
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 #509A51 | 3.45:1 | AA large text | Lc -67.3 | Content text, not long reading |
| Black text on #509A51 | 6.08:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #509A51 text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #509A51 text on black | 6.08:1 | AA | Lc -39.8 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CCE0CB
oklch(88.6% 0.036 144)
-
Step 300
300
#A8CCA7
oklch(80.9% 0.064 144.3)
-
Step 400
400
#79B178
oklch(70.7% 0.101 144)
-
Step 500
500 (this color)
#509A51
oklch(62% 0.13 144.1)
-
Step 600
600
#348838
oklch(55.7% 0.142 144.2)
-
Step 700
700
#26732A
oklch(49.1% 0.131 144)
-
Step 800
800
#225E24
oklch(42.8% 0.109 143.9)
-
Step 900
900
#214D22
oklch(37.7% 0.086 144.1)
-
Step 950
950
#152D15
oklch(27% 0.053 143.9)
#509A51 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) | #9D8E4B | 0.098 |
| Deuteranopia (no green cones) | #928756 | 0.097 |
| Tritanopia (no blue cones) | #469689 | 0.082 |
| Achromatopsia (no color) | #8A8A8A | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509A51
#509A51
oklch(62% 0.13 144.1)
- #AC69B2
#AC69B2
oklch(62% 0.13 324)
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 #509A51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.024
- Flat Green #699D4C ΔE 0.028
- Light Forest Green #4F9153 ΔE 0.028
- Fern Green #548D44 ΔE 0.037
- Drab Green #749551 ΔE 0.040
- Off Green #6BA353 ΔE 0.041
- Mid Green #50A747 ΔE 0.043
- Moss #769958 ΔE 0.044
Use #509A51 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.