#509377
Closest named color: Ocean Green (#3D9973). oklch(61.1% 0.082 164.9), rgb(80, 147, 119).
Aa
Black text reads best on this color (5.78:1).
About this color
#509377 is a medium-dark, moderately saturated green. In OKLCH its lightness is 61%, its chroma 0.082 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.025 away. Black text reads best on it, at 5.78:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 5.78:1 |
| White text | 3.63:1 |
Values
| HEX | #509377 |
| RGB | rgb(80, 147, 119) |
| HSL | hsl(155, 30%, 45%) |
| OKLCH | oklch(61.1% 0.082 164.9) |
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 #509377 | 3.63:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #509377 | 5.78:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #509377 text on white | 3.63:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #509377 text on black | 5.78:1 | AA | Lc -37.9 | 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
#E3ECE8
oklch(93.5% 0.011 167.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#AAC9BA
oklch(80.9% 0.039 164.6)
-
Step 400
400
#7BAE97
oklch(70.8% 0.064 165)
-
Step 500
500 (this color)
#509377
oklch(61.1% 0.082 164.9)
-
Step 600
600
#388466
oklch(55.7% 0.089 164.7)
-
Step 700
700
#2A6F55
oklch(49% 0.082 165.2)
-
Step 800
800
#245B45
oklch(42.7% 0.069 164.3)
-
Step 900
900
#234B3A
oklch(37.8% 0.055 164)
-
Step 950
950
#152C22
oklch(27.1% 0.035 164.2)
#509377 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) | #918B76 | 0.081 |
| Deuteranopia (no green cones) | #868379 | 0.078 |
| Tritanopia (no blue cones) | #3C938B | 0.032 |
| Achromatopsia (no color) | #868686 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #509377
#509377
oklch(61.1% 0.082 164.9)
- #A76F8F
#A76F8F
oklch(61% 0.083 344.6)
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 #509377, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.025
- Slate Green #658D6D ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.025
- Grey Teal #5E9B8A ΔE 0.037
- Sea #3C9992 ΔE 0.038
- Persian Green #2A9D8F ΔE 0.040
- Blue Green #0F9B8E ΔE 0.042
- Green Grey #77926F ΔE 0.043
Use #509377 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.