#145A31
Closest named color: Spruce (#0A5F38). oklch(41.4% 0.096 152.8), rgb(20, 90, 49).
Aa
White text reads best on this color (8.27:1).
About this color
#145A31 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.096 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.016 away. White text reads best on it, at 8.27:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #145A31 |
| RGB | rgb(20, 90, 49) |
| HSL | hsl(145, 64%, 22%) |
| OKLCH | oklch(41.4% 0.096 152.8) |
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 #145A31 | 8.27:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #145A31 | 2.53:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #145A31 text on white | 8.27:1 | AAA | Lc 88.2 | Fine for body text |
| #145A31 text on black | 2.53:1 | Fails | Lc -13.9 | 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 800.
-
Step 50
50
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE5
oklch(93.6% 0.016 154.5)
-
Step 200
200
#CADFCF
oklch(88.4% 0.031 152.8)
-
Step 300
300
#A6CCB0
oklch(81% 0.056 153.1)
-
Step 400
400
#74B186
oklch(70.7% 0.089 153)
-
Step 500
500
#4C9D67
oklch(63% 0.114 152.7)
-
Step 600
600
#28884E
oklch(55.7% 0.126 152.6)
-
Step 700
700
#19733F
oklch(49.1% 0.116 152.7)
-
Step 800
800 (this color)
#145A31
oklch(41.4% 0.096 152.8)
-
Step 900
900
#1C4D2E
oklch(37.7% 0.075 153.1)
-
Step 950
950
#122D1B
oklch(27% 0.047 152.8)
#145A31 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) | #5A522E | 0.082 |
| Deuteranopia (no green cones) | #524C34 | 0.082 |
| Tritanopia (no blue cones) | #005950 | 0.049 |
| Achromatopsia (no color) | #4E4E4E | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145A31
#145A31
oklch(41.4% 0.096 152.8)
- #693662
#693662
oklch(41.5% 0.095 332.4)
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 #145A31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.016
- Pine #2B5D34 ΔE 0.022
- Deep Green #02590F ΔE 0.039
- Navy Green #35530A ΔE 0.041
- Forest #0B5509 ΔE 0.042
- Dark Blue Green #005249 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.060
- Army Green #4B5D16 ΔE 0.060
Use #145A31 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.