#508E78
Closest named color: Dusty Teal (#4C9085). oklch(59.8% 0.073 168.9), rgb(80, 142, 120).
Aa
Black text reads best on this color (5.48:1).
About this color
#508E78 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.073 and its hue 169°. 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 5.48:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.48:1 |
| White text | 3.83:1 |
Values
| HEX | #508E78 |
| RGB | rgb(80, 142, 120) |
| HSL | hsl(159, 28%, 44%) |
| OKLCH | oklch(59.8% 0.073 168.9) |
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 #508E78 | 3.83:1 | AA large text | Lc -71.2 | Content text, not long reading |
| Black text on #508E78 | 5.48:1 | AA | Lc 38.4 | Non-text elements, placeholder text |
| #508E78 text on white | 3.83:1 | AA large text | Lc 65.7 | Content text, not long reading |
| #508E78 text on black | 5.48:1 | AA | Lc -36.0 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED7
oklch(88.6% 0.021 169.3)
-
Step 300
300
#ABC8BC
oklch(80.8% 0.035 168.5)
-
Step 400
400
#7DAD9A
oklch(70.8% 0.058 168.2)
-
Step 500
500 (this color)
#508E78
oklch(59.8% 0.073 168.9)
-
Step 600
600
#3D826B
oklch(55.5% 0.079 169.1)
-
Step 700
700
#2F6E59
oklch(49% 0.074 168.7)
-
Step 800
800
#285A49
oklch(42.8% 0.062 168.7)
-
Step 900
900
#264A3D
oklch(37.8% 0.048 168.4)
-
Step 950
950
#172B24
oklch(26.9% 0.029 169.8)
#508E78 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) | #8B8777 | 0.074 |
| Deuteranopia (no green cones) | #817F79 | 0.072 |
| Tritanopia (no blue cones) | #3D8F88 | 0.026 |
| Achromatopsia (no color) | #828282 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508E78
#508E78
oklch(59.8% 0.073 168.9)
- #A16E87
#A16E87
oklch(59.9% 0.073 348.7)
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 #508E78, 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 0.025
- Ocean Green #3D9973 ΔE 0.038
- Sea #3C9992 ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.045
- Dark Sage #598556 ΔE 0.046
- Blue Green #0F9B8E ΔE 0.047
- Viridian #1E9167 ΔE 0.048
Use #508E78 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.