#509173
Closest named color: Slate Green (#658D6D). oklch(60.4% 0.082 162.6), rgb(80, 145, 115).
Aa
Black text reads best on this color (5.63:1).
About this color
#509173 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.082 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Green (#658D6D), ΔE 0.023 away. Black text reads best on it, at 5.63:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.63:1 |
| White text | 3.72:1 |
Values
| HEX | #509173 |
| RGB | rgb(80, 145, 115) |
| HSL | hsl(152, 29%, 44%) |
| OKLCH | oklch(60.4% 0.082 162.6) |
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 #509173 | 3.72:1 | AA large text | Lc -70.2 | Content text, not long reading |
| Black text on #509173 | 5.63:1 | AA | Lc 39.4 | Non-text elements, placeholder text |
| #509173 text on white | 3.72:1 | AA large text | Lc 64.7 | Content text, not long reading |
| #509173 text on black | 5.63:1 | AA | Lc -37.0 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED5
oklch(88.5% 0.022 163)
-
Step 300
300
#AAC9B9
oklch(80.8% 0.04 163)
-
Step 400
400
#7CAE95
oklch(70.8% 0.065 162.5)
-
Step 500
500 (this color)
#509173
oklch(60.4% 0.082 162.6)
-
Step 600
600
#3B8464
oklch(55.7% 0.089 162.5)
-
Step 700
700
#2C6F53
oklch(49% 0.082 163.1)
-
Step 800
800
#265B44
oklch(42.8% 0.069 162.7)
-
Step 900
900
#244A39
oklch(37.5% 0.053 163.1)
-
Step 950
950
#162C22
oklch(27.1% 0.034 163.4)
#509173 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) | #8F8971 | 0.079 |
| Deuteranopia (no green cones) | #858175 | 0.078 |
| Tritanopia (no blue cones) | #3E9189 | 0.034 |
| Achromatopsia (no color) | #848484 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509173
#509173
oklch(60.4% 0.082 162.6)
- #A46E8F
#A46E8F
oklch(60.5% 0.082 342.5)
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 #509173, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Green #658D6D ΔE 0.023
- Ocean Green #3D9973 ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.028
- Viridian #1E9167 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.043
- Dark Sage #598556 ΔE 0.044
- Sea #3C9992 ΔE 0.044
- Green Grey #77926F ΔE 0.044
Use #509173 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.