#506151
Closest named color: Dark Green Blue (#1F6357). oklch(47.3% 0.033 146.6), rgb(80, 97, 81).
Aa
White text reads best on this color (6.62:1).
About this color
#506151 is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.033 and its hue 147°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.050 away. White text reads best on it, at 6.62:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.16:1 |
| White text | 6.62:1 |
Values
| HEX | #506151 |
| RGB | rgb(80, 97, 81) |
| HSL | hsl(124, 10%, 35%) |
| OKLCH | oklch(47.3% 0.033 146.6) |
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 #506151 | 6.62:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #506151 | 3.16:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #506151 text on white | 6.62:1 | AA | Lc 82.8 | Fine for body text |
| #506151 text on black | 3.16:1 | AA large text | Lc -19.2 | 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 700.
-
Step 50
50
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D5DBD6
oklch(88.5% 0.009 150.7)
-
Step 300
300
#BAC3BB
oklch(80.8% 0.015 148.7)
-
Step 400
400
#97A597
oklch(70.7% 0.026 145.3)
-
Step 500
500
#7D8F7E
oklch(63.1% 0.033 146.7)
-
Step 600
600
#667967
oklch(55.5% 0.035 146.5)
-
Step 700
700 (this color)
#506151
oklch(47.3% 0.033 146.6)
-
Step 800
800
#465346
oklch(42.7% 0.027 145.1)
-
Step 900
900
#3A453B
oklch(37.7% 0.022 147.6)
-
Step 950
950
#222823
oklch(26.9% 0.013 150.2)
#506151 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) | #625E50 | 0.027 |
| Deuteranopia (no green cones) | #5F5C52 | 0.027 |
| Tritanopia (no blue cones) | #4E605C | 0.019 |
| Achromatopsia (no color) | #5D5D5D | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #506151
#506151
oklch(47.3% 0.033 146.6)
- #665666
#665666
oklch(47.5% 0.032 326.1)
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 #506151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.050
- Slate #516572 ΔE 0.051
- Dim Gray #696969 ΔE 0.058
- Dark Moss Green #606C38 ΔE 0.060
- Camo Green #526525 ΔE 0.063
- Dark Aqua #05696B ΔE 0.064
- Dark Olive Green #556B2F ΔE 0.064
- Pine #2B5D34 ΔE 0.067
Use #506151 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.