#508E75
Closest named color: Dusty Teal (#4C9085). oklch(59.7% 0.076 166), rgb(80, 142, 117).
Aa
Black text reads best on this color (5.46:1).
About this color
#508E75 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.076 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.022 away. Black text reads best on it, at 5.46:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.46:1 |
| White text | 3.84:1 |
Values
| HEX | #508E75 |
| RGB | rgb(80, 142, 117) |
| HSL | hsl(156, 28%, 44%) |
| OKLCH | oklch(59.7% 0.076 166) |
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 #508E75 | 3.84:1 | AA large text | Lc -71.3 | Content text, not long reading |
| Black text on #508E75 | 5.46:1 | AA | Lc 38.3 | Non-text elements, placeholder text |
| #508E75 text on white | 3.84:1 | AA large text | Lc 65.8 | Content text, not long reading |
| #508E75 text on black | 5.46:1 | AA | Lc -35.9 | 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
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E4ECE8
oklch(93.6% 0.01 164.9)
-
Step 200
200
#CDDED6
oklch(88.6% 0.021 166)
-
Step 300
300
#ABC9BB
oklch(81% 0.038 165.6)
-
Step 400
400
#7DAD98
oklch(70.7% 0.06 165.9)
-
Step 500
500 (this color)
#508E75
oklch(59.7% 0.076 166)
-
Step 600
600
#3D8368
oklch(55.7% 0.083 165.8)
-
Step 700
700
#2F6E57
oklch(49% 0.075 166.7)
-
Step 800
800
#285A47
oklch(42.7% 0.063 166.2)
-
Step 900
900
#264A3B
oklch(37.7% 0.05 165.1)
-
Step 950
950
#172B23
oklch(26.9% 0.03 166.8)
#508E75 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) | #8C8674 | 0.077 |
| Deuteranopia (no green cones) | #827F77 | 0.074 |
| Tritanopia (no blue cones) | #3E8E87 | 0.029 |
| Achromatopsia (no color) | #828282 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508E75
#508E75
oklch(59.7% 0.076 166)
- #A16D89
#A16D89
oklch(59.8% 0.076 346.1)
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 #508E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.022
- Slate Green #658D6D ΔE 0.023
- Ocean Green #3D9973 ΔE 0.036
- Dark Sage #598556 ΔE 0.042
- Sea #3C9992 ΔE 0.044
- Viridian #1E9167 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.047
- Green Grey #77926F ΔE 0.048
Use #508E75 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.