#537F6F
Closest named color: Dark Sage (#598556). oklch(55.9% 0.055 169.5), rgb(83, 127, 111).
Aa
Black text reads best on this color (4.63:1).
About this color
#537F6F is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.055 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.046 away. Black text reads best on it, at 4.63:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.63:1 |
| White text | 4.53:1 |
Values
| HEX | #537F6F |
| RGB | rgb(83, 127, 111) |
| HSL | hsl(158, 21%, 41%) |
| OKLCH | oklch(55.9% 0.055 169.5) |
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 #537F6F | 4.53:1 | AA | Lc -76.9 | Fine for body text |
| Black text on #537F6F | 4.63:1 | AA | Lc 32.7 | Non-text elements, placeholder text |
| #537F6F text on white | 4.53:1 | AA | Lc 71.4 | Content text, not long reading |
| #537F6F text on black | 4.63:1 | AA | Lc -30.3 | 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
#E5EBE9
oklch(93.5% 0.007 174.4)
-
Step 200
200
#D1DCD7
oklch(88.5% 0.014 167.1)
-
Step 300
300
#B2C6BE
oklch(80.9% 0.024 169.7)
-
Step 400
400
#89A99C
oklch(70.7% 0.04 168.5)
-
Step 500
500
#6B9484
oklch(63.2% 0.051 168.6)
-
Step 600
600 (this color)
#537F6F
oklch(55.9% 0.055 169.5)
-
Step 700
700
#426A5C
oklch(49% 0.051 170)
-
Step 800
800
#37574B
oklch(42.8% 0.043 168.7)
-
Step 900
900
#30473F
oklch(37.6% 0.032 170.9)
-
Step 950
950
#1C2A25
oklch(27% 0.021 170.6)
#537F6F 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) | #7D796E | 0.057 |
| Deuteranopia (no green cones) | #757470 | 0.054 |
| Tritanopia (no blue cones) | #47807A | 0.019 |
| Achromatopsia (no color) | #767676 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537F6F
#537F6F
oklch(55.9% 0.055 169.5)
- #8E6779
#8E6779
oklch(55.9% 0.056 349.7)
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 #537F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.046
- Slate Green #658D6D ΔE 0.051
- Dusty Teal #4C9085 ΔE 0.051
- Battleship Grey #6B7C85 ΔE 0.051
- Teal #008080 ΔE 0.052
- Battleship Gray #6C757D ΔE 0.053
- Dark Cyan #008B8B ΔE 0.057
- Grey Blue #647D8E ΔE 0.057
Use #537F6F 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.