#155D35
Closest named color: Spruce (#0A5F38). oklch(42.4% 0.096 154), rgb(21, 93, 53).
Aa
White text reads best on this color (7.92:1).
About this color
#155D35 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.096 and its hue 154°. 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 (0.096) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.64:1 |
| White text | 7.92:1 |
Values
| HEX | #155D35 |
| RGB | rgb(21, 93, 53) |
| HSL | hsl(147, 63%, 22%) |
| OKLCH | oklch(42.4% 0.096 154) |
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 #155D35 | 7.92:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #155D35 | 2.64:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #155D35 text on white | 7.92:1 | AAA | Lc 87.1 | Fine for body text |
| #155D35 text on black | 2.64:1 | 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
#CAE0D0
oklch(88.6% 0.032 154.1)
-
Step 300
300
#A5CCB0
oklch(80.9% 0.057 153.8)
-
Step 400
400
#73B187
oklch(70.6% 0.089 153.9)
-
Step 500
500
#499D69
oklch(63% 0.114 154.2)
-
Step 600
600
#258850
oklch(55.6% 0.125 153.8)
-
Step 700
700
#147341
oklch(49.1% 0.116 154.1)
-
Step 800
800 (this color)
#155D35
oklch(42.4% 0.096 154)
-
Step 900
900
#1B4D2F
oklch(37.7% 0.075 154.2)
-
Step 950
950
#112D1C
oklch(27% 0.047 154.9)
#155D35 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) | #5D5532 | 0.084 |
| Deuteranopia (no green cones) | #544F38 | 0.082 |
| Tritanopia (no blue cones) | #005C53 | 0.048 |
| Achromatopsia (no color) | #515151 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155D35
#155D35
oklch(42.4% 0.096 154)
- #6D3864
#6D3864
oklch(42.4% 0.096 333.8)
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 #155D35, 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 0.044
- Navy Green #35530A ΔE 0.046
- Forest #0B5509 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.057
- Army Green #4B5D16 ΔE 0.057
Use #155D35 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.