#507E66
Closest named color: Dark Sage (#598556). oklch(55.3% 0.063 160.6), rgb(80, 126, 102).
Aa
White text reads best on this color (4.64:1).
About this color
#507E66 is a medium-dark, muted green. In OKLCH its lightness is 55%, its chroma 0.063 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Sage (#598556), ΔE 0.037 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Dark Sage (#598556) |
| Black text | 4.51:1 |
| White text | 4.64:1 |
Values
| HEX | #507E66 |
| RGB | rgb(80, 126, 102) |
| HSL | hsl(149, 22%, 40%) |
| OKLCH | oklch(55.3% 0.063 160.6) |
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 #507E66 | 4.64:1 | AA | Lc -77.7 | Fine for body text |
| Black text on #507E66 | 4.51:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #507E66 text on white | 4.64:1 | AA | Lc 72.2 | Content text, not long reading |
| #507E66 text on black | 4.51:1 | AA | Lc -29.5 | 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
#E5ECE8
oklch(93.7% 0.009 161.3)
-
Step 200
200
#D1DCD6
oklch(88.4% 0.014 162.4)
-
Step 300
300
#B2C7BB
oklch(81% 0.028 160.7)
-
Step 400
400
#88AA97
oklch(70.7% 0.046 160.5)
-
Step 500
500
#6A957E
oklch(63.2% 0.059 160.8)
-
Step 600
600 (this color)
#507E66
oklch(55.3% 0.063 160.6)
-
Step 700
700
#416B56
oklch(49% 0.058 161.5)
-
Step 800
800
#365746
oklch(42.6% 0.048 161)
-
Step 900
900
#2F483B
oklch(37.7% 0.038 161.2)
-
Step 950
950
#1C2A23
oklch(27% 0.023 162.6)
#507E66 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) | #7D7865 | 0.061 |
| Deuteranopia (no green cones) | #757267 | 0.058 |
| Tritanopia (no blue cones) | #467E77 | 0.027 |
| Achromatopsia (no color) | #747474 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #507E66
#507E66
oklch(55.3% 0.063 160.6)
- #8C647E
#8C647E
oklch(55.3% 0.063 340.2)
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 #507E66, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sage #598556 ΔE 0.037
- Slate Green #658D6D ΔE 0.053
- Military Green #667C3E ΔE 0.054
- Teal #008080 ΔE 0.055
- Bluegreen #017A79 ΔE 0.058
- Sea Green #2E8B57 ΔE 0.058
- Dusty Teal #4C9085 ΔE 0.059
- Dark Cyan #008B8B ΔE 0.063
Use #507E66 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.