#51604E
Closest named color: Dark Green Blue (#1F6357). oklch(47.1% 0.034 140.4), rgb(81, 96, 78).
Aa
White text reads best on this color (6.70:1).
About this color
#51604E is a medium-dark, muted green. In OKLCH its lightness is 47%, its chroma 0.034 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.051 away. White text reads best on it, at 6.70:1.
| Hue family | Greens |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.034) |
| Temperature | in between |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 3.13:1 |
| White text | 6.70:1 |
Values
| HEX | #51604E |
| RGB | rgb(81, 96, 78) |
| HSL | hsl(110, 10%, 34%) |
| OKLCH | oklch(47.1% 0.034 140.4) |
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 #51604E | 6.70:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #51604E | 3.13:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #51604E text on white | 6.70:1 | AA | Lc 83.1 | Fine for body text |
| #51604E text on black | 3.13:1 | AA large text | Lc -18.9 | 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 700.
-
Step 50
50
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#E8EBE8
oklch(93.7% 0.005 145.5)
-
Step 200
200
#D6DBD5
oklch(88.6% 0.01 140.5)
-
Step 300
300
#BBC3B9
oklch(80.8% 0.016 139.4)
-
Step 400
400
#98A596
oklch(70.7% 0.026 141.5)
-
Step 500
500
#7F8F7C
oklch(63.2% 0.034 140.7)
-
Step 600
600
#687965
oklch(55.6% 0.036 140.9)
-
Step 700
700 (this color)
#51604E
oklch(47.1% 0.034 140.4)
-
Step 800
800
#475344
oklch(42.7% 0.029 139.4)
-
Step 900
900
#3B453A
oklch(37.8% 0.023 142.6)
-
Step 950
950
#232822
oklch(27% 0.013 140.5)
#51604E 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) | #615D4D | 0.025 |
| Deuteranopia (no green cones) | #5F5B4F | 0.026 |
| Tritanopia (no blue cones) | #505F5B | 0.022 |
| Achromatopsia (no color) | #5C5C5C | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51604E
#51604E
oklch(47.1% 0.034 140.4)
- #645567
#645567
oklch(47.1% 0.034 320.6)
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 #51604E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.051
- Slate #516572 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.059
- Dim Gray #696969 ΔE 0.060
- Camo Green #526525 ΔE 0.061
- Dark Olive Green #556B2F ΔE 0.062
- Pine #2B5D34 ΔE 0.065
- Dark Aqua #05696B ΔE 0.067
Use #51604E 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.