#508D78
Closest named color: Dusty Teal (#4C9085). oklch(59.6% 0.072 169.6), rgb(80, 141, 120).
Aa
Black text reads best on this color (5.42:1).
About this color
#508D78 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.072 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.018 away. Black text reads best on it, at 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.42:1 |
| White text | 3.87:1 |
Values
| HEX | #508D78 |
| RGB | rgb(80, 141, 120) |
| HSL | hsl(159, 28%, 43%) |
| OKLCH | oklch(59.6% 0.072 169.6) |
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 #508D78 | 3.87:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #508D78 | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #508D78 text on white | 3.87:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #508D78 text on black | 5.42:1 | AA | Lc -35.6 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BD
oklch(80.8% 0.035 170.5)
-
Step 400
400
#7EAC9B
oklch(70.6% 0.055 169.9)
-
Step 500
500 (this color)
#508D78
oklch(59.6% 0.072 169.6)
-
Step 600
600
#3E826C
oklch(55.6% 0.078 169.9)
-
Step 700
700
#2F6E5A
oklch(49.1% 0.073 169.7)
-
Step 800
800
#295A4A
oklch(42.8% 0.06 169.7)
-
Step 900
900
#264A3E
oklch(37.8% 0.047 170.1)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#508D78 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) | #8A8677 | 0.073 |
| Deuteranopia (no green cones) | #807F79 | 0.069 |
| Tritanopia (no blue cones) | #3D8E87 | 0.025 |
| Achromatopsia (no color) | #818181 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508D78
#508D78
oklch(59.6% 0.072 169.6)
- #A06D85
#A06D85
oklch(59.5% 0.072 349.8)
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 #508D78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.018
- Slate Green #658D6D ΔE 0.026
- Ocean Green #3D9973 ΔE 0.041
- Sea #3C9992 ΔE 0.043
- Dark Sage #598556 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.048
- Viridian #1E9167 ΔE 0.049
- Blue Green #0F9B8E ΔE 0.049
Use #508D78 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.