#508E6C
Closest named color: Slate Green (#658D6D). oklch(59.5% 0.084 158.5), rgb(80, 142, 108).
Aa
Black text reads best on this color (5.42:1).
About this color
#508E6C is a medium-dark, moderately saturated green. In OKLCH its lightness is 59%, its chroma 0.084 and its hue 158°. 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 5.42:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.084) |
| Temperature | in between |
| Nearest name | Slate Green (#658D6D) |
| Black text | 5.42:1 |
| White text | 3.86:1 |
Values
| HEX | #508E6C |
| RGB | rgb(80, 142, 108) |
| HSL | hsl(147, 28%, 44%) |
| OKLCH | oklch(59.5% 0.084 158.5) |
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 #508E6C | 3.86:1 | AA large text | Lc -71.5 | Content text, not long reading |
| Black text on #508E6C | 5.42:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #508E6C text on white | 3.86:1 | AA large text | Lc 66.0 | Content text, not long reading |
| #508E6C 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
#F3F7F4
oklch(97.2% 0.006 153.8)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#ABC9B7
oklch(80.9% 0.041 159)
-
Step 400
400
#7EAD91
oklch(70.6% 0.065 158.1)
-
Step 500
500 (this color)
#508E6C
oklch(59.5% 0.084 158.5)
-
Step 600
600
#3E835F
oklch(55.5% 0.091 158.6)
-
Step 700
700
#306F4E
oklch(49.1% 0.085 158.1)
-
Step 800
800
#295B40
oklch(42.8% 0.071 157.8)
-
Step 900
900
#264A37
oklch(37.6% 0.053 159.3)
-
Step 950
950
#172C20
oklch(27.1% 0.035 157.9)
#508E6C 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) | #8D866A | 0.078 |
| Deuteranopia (no green cones) | #837F6E | 0.075 |
| Tritanopia (no blue cones) | #418D85 | 0.039 |
| Achromatopsia (no color) | #818181 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508E6C
#508E6C
oklch(59.5% 0.084 158.5)
- #A06B90
#A06B90
oklch(59.5% 0.084 338.4)
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 #508E6C, 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 0.032
- Dark Sage #598556 ΔE 0.033
- Dusty Teal #4C9085 ΔE 0.035
- Viridian #1E9167 ΔE 0.037
- Light Forest Green #4F9153 ΔE 0.038
- Sea Green #2E8B57 ΔE 0.044
- Green Grey #77926F ΔE 0.048
Use #508E6C 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.