#51755D
Closest named color: Dark Moss Green (#606C38). oklch(52.8% 0.056 154.9), rgb(81, 117, 93).
Aa
White text reads best on this color (5.18:1).
About this color
#51755D is a medium-dark, muted green. In OKLCH its lightness is 53%, its chroma 0.056 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.048 away. White text reads best on it, at 5.18:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 4.05:1 |
| White text | 5.18:1 |
Values
| HEX | #51755D |
| RGB | rgb(81, 117, 93) |
| HSL | hsl(140, 18%, 39%) |
| OKLCH | oklch(52.8% 0.056 154.9) |
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 #51755D | 5.18:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #51755D | 4.05:1 | AA large text | Lc 28.4 | Dividers and decoration only |
| #51755D text on white | 5.18:1 | AA | Lc 75.6 | Fine for body text |
| #51755D text on black | 4.05:1 | AA large text | Lc -26.1 | 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E6EBE8
oklch(93.5% 0.007 160.1)
-
Step 200
200
#D2DCD5
oklch(88.5% 0.014 155.6)
-
Step 300
300
#B5C6BA
oklch(81% 0.025 155)
-
Step 400
400
#8EA896
oklch(70.6% 0.039 155.1)
-
Step 500
500
#71937C
oklch(63.1% 0.051 155.1)
-
Step 600
600 (this color)
#51755D
oklch(52.8% 0.056 154.9)
-
Step 700
700
#496A54
oklch(49.2% 0.052 154.9)
-
Step 800
800
#3C5645
oklch(42.7% 0.042 155.5)
-
Step 900
900
#33473A
oklch(37.7% 0.034 155.9)
-
Step 950
950
#1E2A22
oklch(27.1% 0.022 155.5)
#51755D 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) | #756F5C | 0.051 |
| Deuteranopia (no green cones) | #6F6B5E | 0.050 |
| Tritanopia (no blue cones) | #4B746E | 0.028 |
| Achromatopsia (no color) | #6D6D6D | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51755D
#51755D
oklch(52.8% 0.056 154.9)
- #805F78
#805F78
oklch(52.8% 0.056 335.2)
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 #51755D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.048
- Dark Sage #598556 ΔE 0.055
- Dim Gray #696969 ΔE 0.056
- Muddy Green #657432 ΔE 0.057
- Military Green #667C3E ΔE 0.057
- Bluegreen #017A79 ΔE 0.058
- Dark Olive Green #556B2F ΔE 0.058
- Dark Aquamarine #017371 ΔE 0.060
Use #51755D 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.