#173A03
Closest named color: Hunter Green (#0B4008). oklch(31% 0.09 137), rgb(23, 58, 3).
Aa
White text reads best on this color (12.78:1).
About this color
#173A03 is a dark, moderately saturated green. In OKLCH its lightness is 31%, its chroma 0.090 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hunter Green (#0B4008), ΔE 0.020 away. White text reads best on it, at 12.78:1.
| Hue family | Greens |
| Lightness | dark (31%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Hunter Green (#0B4008) |
| Black text | 1.64:1 |
| White text | 12.78:1 |
Values
| HEX | #173A03 |
| RGB | rgb(23, 58, 3) |
| HSL | hsl(98, 90%, 12%) |
| OKLCH | oklch(31% 0.09 137) |
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 #173A03 | 12.78:1 | AAA | Lc -102.0 | Preferred for body text |
| Black text on #173A03 | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #173A03 text on white | 12.78:1 | AAA | Lc 98.6 | Preferred for body text |
| #173A03 text on black | 1.64:1 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDB
oklch(93.6% 0.03 136.1)
-
Step 200
200
#C7E3BD
oklch(88.5% 0.059 137.5)
-
Step 300
300
#A0D18C
oklch(80.9% 0.107 136.9)
-
Step 400
400
#69B843
oklch(70.7% 0.171 137)
-
Step 500
500
#48A200
oklch(63.2% 0.192 137)
-
Step 600
600
#3C8800
oklch(55.6% 0.168 136.9)
-
Step 700
700
#317200
oklch(49% 0.148 136.9)
-
Step 800
800
#275E00
oklch(42.7% 0.129 137)
-
Step 900
900
#1F4E00
oklch(37.6% 0.114 137)
-
Step 950
950 (this color)
#173A03
oklch(31% 0.09 137)
#173A03 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) | #3C3400 | 0.056 |
| Deuteranopia (no green cones) | #383109 | 0.057 |
| Tritanopia (no blue cones) | #153730 | 0.065 |
| Achromatopsia (no color) | #323232 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #173A03
#173A03
oklch(31% 0.09 137)
- #421F4E
#421F4E
oklch(31% 0.09 316.8)
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 #173A03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hunter Green #0B4008 ΔE 0.020
- Forrest Green #154406 ΔE 0.034
- Pakistan Green #283618 ΔE 0.038
- Racing Green #014600 ΔE 0.042
- British Racing Green #05480D ΔE 0.046
- Pine Green #0A481E ΔE 0.047
- Dark Olive #373E02 ΔE 0.048
- Very Dark Green #062E03 ΔE 0.048
Use #173A03 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.