#145D37
Closest named color: Spruce (#0A5F38). oklch(42.5% 0.094 155.4), rgb(20, 93, 55).
Aa
White text reads best on this color (7.92:1).
About this color
#145D37 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.094 and its hue 155°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.007 away. White text reads best on it, at 7.92:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.094) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #145D37 |
| RGB | rgb(20, 93, 55) |
| HSL | hsl(149, 65%, 22%) |
| OKLCH | oklch(42.5% 0.094 155.4) |
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 #145D37 | 7.92:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #145D37 | 2.65:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #145D37 text on white | 7.92:1 | AAA | Lc 87.1 | Fine for body text |
| #145D37 text on black | 2.65:1 | Fails | Lc -15.0 | 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 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
#CADFD1
oklch(88.4% 0.029 156.6)
-
Step 300
300
#A5CCB2
oklch(81% 0.055 155.8)
-
Step 400
400
#72B189
oklch(70.6% 0.088 155.6)
-
Step 500
500
#499D6B
oklch(63% 0.112 155.2)
-
Step 600
600
#238853
oklch(55.7% 0.123 155.3)
-
Step 700
700
#137343
oklch(49.1% 0.114 155.2)
-
Step 800
800 (this color)
#145D37
oklch(42.5% 0.094 155.4)
-
Step 900
900
#1A4D30
oklch(37.7% 0.074 155.3)
-
Step 950
950
#112D1C
oklch(27% 0.047 154.9)
#145D37 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) | #5D5534 | 0.084 |
| Deuteranopia (no green cones) | #544F3A | 0.082 |
| Tritanopia (no blue cones) | #005C53 | 0.045 |
| Achromatopsia (no color) | #515151 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145D37
#145D37
oklch(42.5% 0.094 155.4)
- #6D3862
#6D3862
oklch(42.3% 0.095 335.4)
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 #145D37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.007
- Pine #2B5D34 ΔE 0.016
- Deep Green #02590F ΔE 0.046
- Navy Green #35530A ΔE 0.048
- Dark Green Blue #1F6357 ΔE 0.050
- Forest #0B5509 ΔE 0.051
- Dark Blue Green #005249 ΔE 0.054
- Army Green #4B5D16 ΔE 0.059
Use #145D37 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.