#155B2D
Closest named color: Spruce (#0A5F38). oklch(41.7% 0.101 150.4), rgb(21, 91, 45).
Aa
White text reads best on this color (8.18:1).
About this color
#155B2D is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.101 and its hue 150°. 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 8.18:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.56:1 |
| White text | 8.18:1 |
Values
| HEX | #155B2D |
| RGB | rgb(21, 91, 45) |
| HSL | hsl(141, 63%, 22%) |
| OKLCH | oklch(41.7% 0.101 150.4) |
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 #155B2D | 8.18:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #155B2D | 2.56:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #155B2D text on white | 8.18:1 | AAA | Lc 87.9 | Fine for body text |
| #155B2D text on black | 2.56:1 | Fails | Lc -14.2 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A6CCAD
oklch(80.9% 0.059 150.3)
-
Step 400
400
#74B282
oklch(70.8% 0.095 150.5)
-
Step 500
500
#4C9E62
oklch(63.2% 0.121 150.4)
-
Step 600
600
#288848
oklch(55.6% 0.132 150.5)
-
Step 700
700
#197339
oklch(49% 0.122 150.3)
-
Step 800
800 (this color)
#155B2D
oklch(41.7% 0.101 150.4)
-
Step 900
900
#1C4D2A
oklch(37.7% 0.08 150.2)
-
Step 950
950
#122D19
oklch(26.9% 0.05 150.3)
#155B2D 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) | #5C5329 | 0.084 |
| Deuteranopia (no green cones) | #534D30 | 0.082 |
| Tritanopia (no blue cones) | #005950 | 0.056 |
| Achromatopsia (no color) | #4F4F4F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155B2D
#155B2D
oklch(41.7% 0.101 150.4)
- #6A3566
#6A3566
oklch(41.6% 0.102 330.1)
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 #155B2D, 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 0.033
- Navy Green #35530A ΔE 0.038
- Forest #0B5509 ΔE 0.038
- Dark Green #006400 ΔE 0.054
- Army Green #4B5D16 ΔE 0.057
- Dark Blue Green #005249 ΔE 0.060
Use #155B2D 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.