#172A20
Closest named color: Jet (#212529). oklch(26.5% 0.031 160.3), rgb(23, 42, 32).
Aa
White text reads best on this color (15.12:1).
About this color
#172A20 is a dark, muted green. In OKLCH its lightness is 26%, its chroma 0.031 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.033 away. White text reads best on it, at 15.12:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.38:1 |
| White text | 15.12:1 |
Values
| HEX | #172A20 |
| RGB | rgb(23, 42, 32) |
| HSL | hsl(148, 29%, 13%) |
| OKLCH | oklch(26.5% 0.031 160.3) |
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 #172A20 | 15.12:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #172A20 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #172A20 text on white | 15.12:1 | AAA | Lc 102.0 | Preferred for body text |
| #172A20 text on black | 1.38:1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E4ECE7
oklch(93.6% 0.011 158.8)
-
Step 200
200
#CEDED4
oklch(88.6% 0.022 158.5)
-
Step 300
300
#ADC8B9
oklch(80.8% 0.036 161.2)
-
Step 400
400
#80AC94
oklch(70.6% 0.059 160.6)
-
Step 500
500
#5F987A
oklch(63.1% 0.076 160.2)
-
Step 600
600
#438263
oklch(55.5% 0.082 160.6)
-
Step 700
700
#346E52
oklch(49.1% 0.077 160.7)
-
Step 800
800
#2C5A43
oklch(42.8% 0.064 160.2)
-
Step 900
900
#284A39
oklch(37.8% 0.05 161)
-
Step 950
950 (this color)
#172A20
oklch(26.5% 0.031 160.3)
#172A20 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) | #2A271F | 0.031 |
| Deuteranopia (no green cones) | #262521 | 0.029 |
| Tritanopia (no blue cones) | #132A27 | 0.013 |
| Achromatopsia (no color) | #262626 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #172A20
#172A20
oklch(26.5% 0.031 160.3)
- #301F2A
#301F2A
oklch(26.5% 0.032 340.5)
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 #172A20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.033
- Dark #1B2431 ΔE 0.045
- Very Dark Green #062E03 ΔE 0.054
- Dark Forest Green #002D04 ΔE 0.054
- Pakistan Green #283618 ΔE 0.056
- Oxford Blue #1B263B ΔE 0.058
- Dark Brown #341C02 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.067
Use #172A20 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.