#172C1C
Closest named color: Jet (#212529). oklch(27% 0.04 150.6), rgb(23, 44, 28).
Aa
White text reads best on this color (14.85:1).
About this color
#172C1C is a dark, muted green. In OKLCH its lightness is 27%, its chroma 0.040 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.043 away. White text reads best on it, at 14.85:1.
| Hue family | Greens |
| Lightness | dark (27%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.41:1 |
| White text | 14.85:1 |
Values
| HEX | #172C1C |
| RGB | rgb(23, 44, 28) |
| HSL | hsl(134, 31%, 13%) |
| OKLCH | oklch(27% 0.04 150.6) |
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 #172C1C | 14.85:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #172C1C | 1.41:1 | Fails | Lc 0.0 | Not readable |
| #172C1C text on white | 14.85:1 | AAA | Lc 101.6 | Preferred for body text |
| #172C1C text on black | 1.41:1 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E4EDE5
oklch(93.7% 0.014 148.8)
-
Step 200
200
#CDDED0
oklch(88.4% 0.026 150.7)
-
Step 300
300
#ABCAB1
oklch(80.9% 0.048 150.9)
-
Step 400
400
#7EAE88
oklch(70.6% 0.075 150.5)
-
Step 500
500
#5B9A6A
oklch(63% 0.097 150.5)
-
Step 600
600
#3F8552
oklch(55.7% 0.106 150.5)
-
Step 700
700
#307042
oklch(49.1% 0.099 150.5)
-
Step 800
800
#295B37
oklch(42.6% 0.081 150.8)
-
Step 900
900
#264B30
oklch(37.7% 0.063 151.1)
-
Step 950
950 (this color)
#172C1C
oklch(27% 0.04 150.6)
#172C1C 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) | #2C291B | 0.034 |
| Deuteranopia (no green cones) | #29271D | 0.033 |
| Tritanopia (no blue cones) | #132B28 | 0.023 |
| Achromatopsia (no color) | #272727 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172C1C
#172C1C
oklch(27% 0.04 150.6)
- #321F30
#321F30
oklch(27.1% 0.041 330.4)
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 #172C1C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.043
- Very Dark Green #062E03 ΔE 0.043
- Dark Forest Green #002D04 ΔE 0.045
- Pakistan Green #283618 ΔE 0.047
- Dark #1B2431 ΔE 0.057
- Dark Brown #341C02 ΔE 0.067
- Oxford Blue #1B263B ΔE 0.069
- Gunmetal #293241 ΔE 0.073
Use #172C1C 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.