#518573
Closest named color: Dusty Teal (#4C9085). oklch(57.5% 0.063 170), rgb(81, 133, 115).
Aa
Black text reads best on this color (4.95:1).
About this color
#518573 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.063 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.035 away. Black text reads best on it, at 4.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.95:1 |
| White text | 4.24:1 |
Values
| HEX | #518573 |
| RGB | rgb(81, 133, 115) |
| HSL | hsl(159, 24%, 42%) |
| OKLCH | oklch(57.5% 0.063 170) |
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 #518573 | 4.24:1 | AA large text | Lc -74.7 | Content text, not long reading |
| Black text on #518573 | 4.95:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #518573 text on white | 4.24:1 | AA large text | Lc 69.2 | Content text, not long reading |
| #518573 text on black | 4.95:1 | AA | Lc -32.5 | 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
#B0C7BE
oklch(81% 0.028 170.1)
-
Step 400
400
#85AA9C
oklch(70.7% 0.045 169.9)
-
Step 500
500
#669584
oklch(63.1% 0.057 169.9)
-
Step 600
600 (this color)
#518573
oklch(57.5% 0.063 170)
-
Step 700
700
#3C6C5C
oklch(49.2% 0.059 170.3)
-
Step 800
800
#32584B
oklch(42.8% 0.049 170)
-
Step 900
900
#2D483E
oklch(37.7% 0.037 169)
-
Step 950
950
#1A2A25
oklch(26.9% 0.023 173)
#518573 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) | #827F72 | 0.064 |
| Deuteranopia (no green cones) | #7A7874 | 0.063 |
| Tritanopia (no blue cones) | #428680 | 0.022 |
| Achromatopsia (no color) | #7B7B7B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518573
#518573
oklch(57.5% 0.063 170)
- #966A7E
#966A7E
oklch(57.6% 0.062 350.3)
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 #518573, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.035
- Slate Green #658D6D ΔE 0.037
- Dark Sage #598556 ΔE 0.041
- Dark Cyan #008B8B ΔE 0.049
- Teal #008080 ΔE 0.054
- Battleship Grey #6B7C85 ΔE 0.055
- Steel Grey #6F828A ΔE 0.056
- Viridian #1E9167 ΔE 0.057
Use #518573 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.