#171F05
Closest named color: Dark Forest Green (#002D04). oklch(22.4% 0.046 124.2), rgb(23, 31, 5).
Aa
White text reads best on this color (17.00:1).
About this color
#171F05 is a very dark, muted brown. In OKLCH its lightness is 22%, its chroma 0.046 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.055 away. White text reads best on it, at 17.00:1.
| Hue family | Browns |
| Lightness | very dark (22%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.23:1 |
| White text | 17.00:1 |
Values
| HEX | #171F05 |
| RGB | rgb(23, 31, 5) |
| HSL | hsl(78, 72%, 7%) |
| OKLCH | oklch(22.4% 0.046 124.2) |
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 #171F05 | 17.00:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #171F05 | 1.23:1 | Fails | Lc 0.0 | Not readable |
| #171F05 text on white | 17.00:1 | AAA | Lc 103.9 | Preferred for body text |
| #171F05 text on black | 1.23:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE0
oklch(93.6% 0.017 125.3)
-
Step 200
200
#D5DDC7
oklch(88.5% 0.031 123.3)
-
Step 300
300
#B9C7A1
oklch(80.9% 0.054 124)
-
Step 400
400
#95AA6D
oklch(70.7% 0.087 124)
-
Step 500
500
#7B9544
oklch(63.2% 0.112 124.3)
-
Step 600
600
#647F22
oklch(55.7% 0.122 124.5)
-
Step 700
700
#536B14
oklch(49.1% 0.113 124.4)
-
Step 800
800
#445714
oklch(42.6% 0.093 124.2)
-
Step 900
900
#394819
oklch(37.7% 0.073 124.7)
-
Step 950
950 (this color)
#171F05
oklch(22.4% 0.046 124.2)
#171F05 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) | #211C03 | 0.020 |
| Deuteranopia (no green cones) | #201C06 | 0.020 |
| Tritanopia (no blue cones) | #191D19 | 0.037 |
| Achromatopsia (no color) | #1C1C1C | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #171F05
#171F05
oklch(22.4% 0.046 124.2)
- #20162D
#20162D
oklch(22.5% 0.045 303)
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 #171F05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.055
- Very Dark Green #062E03 ΔE 0.057
- Dark Brown #341C02 ΔE 0.058
- Jet #212529 ΔE 0.064
- Rich Black #0D1B2A ΔE 0.073
- Dark #1B2431 ΔE 0.076
- Rich Navy #001219 ΔE 0.081
- Almost Black #070D0D ΔE 0.084
Use #171F05 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.