#518571
Closest named color: Dusty Teal (#4C9085). oklch(57.4% 0.064 167.7), rgb(81, 133, 113).
Aa
Black text reads best on this color (4.94:1).
About this color
#518571 is a medium-dark, muted green. In OKLCH its lightness is 57%, its chroma 0.064 and its hue 168°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.036 away. Black text reads best on it, at 4.94:1.
| Hue family | Greens |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.064) |
| Temperature | in between |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.94:1 |
| White text | 4.24:1 |
Values
| HEX | #518571 |
| RGB | rgb(81, 133, 113) |
| HSL | hsl(157, 24%, 42%) |
| OKLCH | oklch(57.4% 0.064 167.7) |
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 #518571 | 4.24:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #518571 | 4.94:1 | AA | Lc 34.8 | Non-text elements, placeholder text |
| #518571 text on white | 4.24:1 | AA large text | Lc 69.3 | Content text, not long reading |
| #518571 text on black | 4.94:1 | AA | Lc -32.4 | 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
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#D0DDD7
oklch(88.6% 0.016 166.7)
-
Step 300
300
#B0C7BD
oklch(80.9% 0.029 167.6)
-
Step 400
400
#85AA9B
oklch(70.6% 0.046 168.3)
-
Step 500
500
#669582
oklch(63% 0.059 167.4)
-
Step 600
600 (this color)
#518571
oklch(57.4% 0.064 167.7)
-
Step 700
700
#3C6C5A
oklch(49.1% 0.061 167.7)
-
Step 800
800
#32584A
oklch(42.7% 0.05 168.4)
-
Step 900
900
#2D483D
oklch(37.6% 0.038 166.9)
-
Step 950
950
#1B2A24
oklch(26.9% 0.023 167.9)
#518571 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) | #837E70 | 0.066 |
| Deuteranopia (no green cones) | #7A7872 | 0.063 |
| Tritanopia (no blue cones) | #43857F | 0.024 |
| Achromatopsia (no color) | #7B7B7B | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518571
#518571
oklch(57.4% 0.064 167.7)
- #95697F
#95697F
oklch(57.3% 0.064 347.9)
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 #518571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.036
- Slate Green #658D6D ΔE 0.036
- Dark Sage #598556 ΔE 0.038
- Dark Cyan #008B8B ΔE 0.051
- Viridian #1E9167 ΔE 0.055
- Teal #008080 ΔE 0.055
- Battleship Grey #6B7C85 ΔE 0.058
- Sea Green #2E8B57 ΔE 0.058
Use #518571 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.