#155C2C
Closest named color: Spruce (#0A5F38). oklch(42% 0.104 149.7), rgb(21, 92, 44).
Aa
White text reads best on this color (8.07:1).
About this color
#155C2C is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.104 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 8.07:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.59:1 |
| White text | 8.07:1 |
Values
| HEX | #155C2C |
| RGB | rgb(21, 92, 44) |
| HSL | hsl(139, 63%, 22%) |
| OKLCH | oklch(42% 0.104 149.7) |
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 #155C2C | 8.07:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #155C2C | 2.59:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #155C2C text on white | 8.07:1 | AAA | Lc 87.6 | Fine for body text |
| #155C2C text on black | 2.59:1 | Fails | Lc -14.5 | 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
#A6CCAC
oklch(80.9% 0.06 149.5)
-
Step 400
400
#73B280
oklch(70.7% 0.098 149.9)
-
Step 500
500
#4B9E60
oklch(63.1% 0.123 149.8)
-
Step 600
600
#278846
oklch(55.5% 0.134 149.9)
-
Step 700
700
#177437
oklch(49.2% 0.126 149.7)
-
Step 800
800 (this color)
#155C2C
oklch(42% 0.104 149.7)
-
Step 900
900
#1C4D29
oklch(37.6% 0.081 149.6)
-
Step 950
950
#122D18
oklch(26.9% 0.051 149.2)
#155C2C 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) | #5D5328 | 0.086 |
| Deuteranopia (no green cones) | #544E2F | 0.083 |
| Tritanopia (no blue cones) | #005A51 | 0.058 |
| Achromatopsia (no color) | #505050 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155C2C
#155C2C
oklch(42% 0.104 149.7)
- #6B3568
#6B3568
oklch(41.9% 0.104 329.3)
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 #155C2C, 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 0.032
- Forest #0B5509 ΔE 0.038
- Navy Green #35530A ΔE 0.038
- Dark Green #006400 ΔE 0.050
- Army Green #4B5D16 ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.060
Use #155C2C 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.