#537F63
Closest named color: Dark Sage (#598556). oklch(55.6% 0.065 155.7), rgb(83, 127, 99).
Aa
Black text reads best on this color (4.58:1).
About this color
#537F63 is a medium-dark, muted green. In OKLCH its lightness is 56%, its chroma 0.065 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.031 away. Black text reads best on it, at 4.58:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.58:1 |
| White text | 4.58:1 |
Values
| HEX | #537F63 |
| RGB | rgb(83, 127, 99) |
| HSL | hsl(142, 21%, 41%) |
| OKLCH | oklch(55.6% 0.065 155.7) |
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 #537F63 | 4.58:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #537F63 | 4.58:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #537F63 text on white | 4.58:1 | AA | Lc 71.8 | Content text, not long reading |
| #537F63 text on black | 4.58:1 | AA | Lc -29.9 | Dividers and decoration only |
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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C7B9
oklch(81% 0.03 156.5)
-
Step 400
400
#8AAA94
oklch(70.8% 0.047 155)
-
Step 500
500
#6C957A
oklch(63.2% 0.061 155.4)
-
Step 600
600 (this color)
#537F63
oklch(55.6% 0.065 155.7)
-
Step 700
700
#436B52
oklch(49% 0.061 156)
-
Step 800
800
#385743
oklch(42.6% 0.05 155.4)
-
Step 900
900
#304839
oklch(37.7% 0.039 156.5)
-
Step 950
950
#1D2A21
oklch(27% 0.024 154.3)
#537F63 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) | #7F7861 | 0.061 |
| Deuteranopia (no green cones) | #777365 | 0.058 |
| Tritanopia (no blue cones) | #4B7E77 | 0.032 |
| Achromatopsia (no color) | #757575 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #537F63
#537F63
oklch(55.6% 0.065 155.7)
- #8C6582
#8C6582
oklch(55.6% 0.065 336)
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 #537F63, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.031
- Military Green #667C3E ΔE 0.048
- Slate Green #658D6D ΔE 0.049
- Sea Green #2E8B57 ΔE 0.055
- Dusty Teal #4C9085 ΔE 0.059
- Muddy Green #657432 ΔE 0.060
- Teal #008080 ΔE 0.060
- Viridian #1E9167 ΔE 0.061
Use #537F63 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.