#518577
Closest named color: Dusty Teal (#4C9085). oklch(57.6% 0.06 175.1), rgb(81, 133, 119).
Aa
Black text reads best on this color (4.97:1).
About this color
#518577 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 58%, its chroma 0.060 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.033 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #518577 |
| RGB | rgb(81, 133, 119) |
| HSL | hsl(164, 24%, 42%) |
| OKLCH | oklch(57.6% 0.06 175.1) |
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 #518577 | 4.22:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #518577 | 4.97:1 | AA | Lc 35.0 | Non-text elements, placeholder text |
| #518577 text on white | 4.22:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #518577 text on black | 4.97:1 | AA | Lc -32.6 | 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 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
#D0DDD8
oklch(88.6% 0.016 171)
-
Step 300
300
#AFC7BF
oklch(80.9% 0.028 173.5)
-
Step 400
400
#85AA9F
oklch(70.7% 0.043 174.9)
-
Step 500
500
#659587
oklch(63.1% 0.056 174.2)
-
Step 600
600 (this color)
#518577
oklch(57.6% 0.06 175.1)
-
Step 700
700
#3C6B5F
oklch(49% 0.055 175.6)
-
Step 800
800
#32574D
oklch(42.6% 0.046 174.8)
-
Step 900
900
#2C4840
oklch(37.7% 0.037 174.3)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#518577 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) | #827F76 | 0.064 |
| Deuteranopia (no green cones) | #797978 | 0.060 |
| Tritanopia (no blue cones) | #418681 | 0.019 |
| Achromatopsia (no color) | #7B7B7B | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #518577
#518577
oklch(57.6% 0.06 175.1)
- #966A7B
#966A7B
oklch(57.5% 0.061 354.3)
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 #518577, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.033
- Slate Green #658D6D ΔE 0.040
- Dark Cyan #008B8B ΔE 0.046
- Dark Sage #598556 ΔE 0.047
- Battleship Grey #6B7C85 ΔE 0.051
- Steel Grey #6F828A ΔE 0.051
- Teal #008080 ΔE 0.053
- Grey Blue #647D8E ΔE 0.055
Use #518577 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.