#173F03
Closest named color: Hunter Green (#0B4008). oklch(32.6% 0.097 137.9), rgb(23, 63, 3).
Aa
White text reads best on this color (12.00:1).
About this color
#173F03 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.097 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.008 away. White text reads best on it, at 12.00:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.74:1 |
| White text | 12.00:1 |
Values
| HEX | #173F03 |
| RGB | rgb(23, 63, 3) |
| HSL | hsl(100, 91%, 13%) |
| OKLCH | oklch(32.6% 0.097 137.9) |
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 #173F03 | 12.00:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #173F03 | 1.74:1 | Fails | Lc 0.0 | Not readable |
| #173F03 text on white | 12.00:1 | AAA | Lc 97.2 | Preferred for body text |
| #173F03 text on black | 1.74:1 | 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 900.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C6
oklch(88.5% 0.041 137.2)
-
Step 300
300
#AACC9F
oklch(80.8% 0.072 138.1)
-
Step 400
400
#7CB269
oklch(70.8% 0.117 137.9)
-
Step 500
500
#599E3D
oklch(63.2% 0.149 137.8)
-
Step 600
600
#3C8815
oklch(55.7% 0.162 137.9)
-
Step 700
700
#2E7302
oklch(49.1% 0.15 137.8)
-
Step 800
800
#275E0B
oklch(42.8% 0.125 138)
-
Step 900
900 (this color)
#173F03
oklch(32.6% 0.097 137.9)
-
Step 950
950
#162D0D
oklch(26.9% 0.062 137.8)
#173F03 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) | #413800 | 0.062 |
| Deuteranopia (no green cones) | #3C350A | 0.062 |
| Tritanopia (no blue cones) | #143C34 | 0.068 |
| Achromatopsia (no color) | #363636 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173F03
#173F03
oklch(32.6% 0.097 137.9)
- #482154
#482154
oklch(32.6% 0.097 317.7)
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 #173F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.008
- Forrest Green #154406 ΔE 0.016
- Racing Green #014600 ΔE 0.026
- British Racing Green #05480D ΔE 0.029
- Darkgreen #054907 ΔE 0.033
- Pine Green #0A481E ΔE 0.033
- Bottle Green #044A05 ΔE 0.037
- Dark Olive #373E02 ΔE 0.042
Use #173F03 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.