#155C20
Closest named color: Deep Green (#02590F). oklch(41.8% 0.115 145.5), rgb(21, 92, 32).
Aa
White text reads best on this color (8.12:1).
About this color
#155C20 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.115 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.020 away. White text reads best on it, at 8.12:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #155C20 |
| RGB | rgb(21, 92, 32) |
| HSL | hsl(129, 63%, 22%) |
| OKLCH | oklch(41.8% 0.115 145.5) |
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 #155C20 | 8.12:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #155C20 | 2.58:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #155C20 text on white | 8.12:1 | AAA | Lc 87.7 | Fine for body text |
| #155C20 text on black | 2.58:1 | Fails | Lc -14.4 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CA
oklch(88.4% 0.038 145.2)
-
Step 300
300
#A6CDA7
oklch(81% 0.067 145.6)
-
Step 400
400
#74B377
oklch(70.8% 0.108 145.4)
-
Step 500
500
#4B9F53
oklch(63.1% 0.138 145.6)
-
Step 600
600
#288936
oklch(55.6% 0.15 145.5)
-
Step 700
700
#197428
oklch(49.1% 0.139 145.4)
-
Step 800
800 (this color)
#155C20
oklch(41.8% 0.115 145.5)
-
Step 900
900
#1C4E21
oklch(37.8% 0.091 145.3)
-
Step 950
950
#122E14
oklch(27.1% 0.058 145.2)
#155C20 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) | #5E5319 | 0.088 |
| Deuteranopia (no green cones) | #554D25 | 0.087 |
| Tritanopia (no blue cones) | #005A4F | 0.069 |
| Achromatopsia (no color) | #4F4F4F | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155C20
#155C20
oklch(41.8% 0.115 145.5)
- #6B326E
#6B326E
oklch(41.7% 0.116 325.5)
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 #155C20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.020
- Forest #0B5509 ΔE 0.028
- Spruce #0A5F38 ΔE 0.028
- Pine #2B5D34 ΔE 0.033
- Navy Green #35530A ΔE 0.034
- Dark Green #006400 ΔE 0.038
- Army Green #4B5D16 ΔE 0.055
- Camouflage Green #4B6113 ΔE 0.058
Use #155C20 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.