#508C77
Closest named color: Dusty Teal (#4C9085). oklch(59.3% 0.071 169.3), rgb(80, 140, 119).
Aa
Black text reads best on this color (5.35:1).
About this color
#508C77 is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.071 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 0.020 away. Black text reads best on it, at 5.35:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.071) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.35:1 |
| White text | 3.91:1 |
Values
| HEX | #508C77 |
| RGB | rgb(80, 140, 119) |
| HSL | hsl(159, 27%, 43%) |
| OKLCH | oklch(59.3% 0.071 169.3) |
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 #508C77 | 3.91:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #508C77 | 5.35:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #508C77 text on white | 3.91:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #508C77 text on black | 5.35:1 | AA | Lc -35.2 | 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 600.
-
Step 50
50
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ADC8BD
oklch(80.9% 0.033 169)
-
Step 400
400
#81AB9B
oklch(70.6% 0.051 169.4)
-
Step 500
500
#609783
oklch(63.2% 0.066 169.2)
-
Step 600
600 (this color)
#508C77
oklch(59.3% 0.071 169.3)
-
Step 700
700
#366D5A
oklch(49.1% 0.067 168.8)
-
Step 800
800
#2E594A
oklch(42.8% 0.055 169)
-
Step 900
900
#29493E
oklch(37.7% 0.043 170)
-
Step 950
950
#192B24
oklch(27.1% 0.027 167.9)
#508C77 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) | #898576 | 0.072 |
| Deuteranopia (no green cones) | #7F7E78 | 0.069 |
| Tritanopia (no blue cones) | #3E8D86 | 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°).
- #508C77
#508C77
oklch(59.3% 0.071 169.3)
- #9F6D85
#9F6D85
oklch(59.4% 0.071 349.2)
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 #508C77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.020
- Slate Green #658D6D ΔE 0.026
- Ocean Green #3D9973 ΔE 0.043
- Dark Sage #598556 ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Viridian #1E9167 ΔE 0.049
- Dark Cyan #008B8B ΔE 0.049
- Grey Teal #5E9B8A ΔE 0.050
Use #508C77 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.