#155D3E
Closest named color: Spruce (#0A5F38). oklch(42.6% 0.087 160), rgb(21, 93, 62).
Aa
White text reads best on this color (7.87:1).
About this color
#155D3E is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.087 and its hue 160°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.014 away. White text reads best on it, at 7.87:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #155D3E |
| RGB | rgb(21, 93, 62) |
| HSL | hsl(154, 63%, 22%) |
| OKLCH | oklch(42.6% 0.087 160) |
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 #155D3E | 7.87:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #155D3E | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #155D3E text on white | 7.87:1 | AAA | Lc 87.0 | Fine for body text |
| #155D3E text on black | 2.66:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD3
oklch(88.5% 0.028 160.8)
-
Step 300
300
#A5CBB5
oklch(80.8% 0.051 159.6)
-
Step 400
400
#72B08F
oklch(70.6% 0.081 160.1)
-
Step 500
500
#499D74
oklch(63.2% 0.104 160.1)
-
Step 600
600
#23875C
oklch(55.6% 0.113 160.1)
-
Step 700
700
#13724C
oklch(49% 0.104 160.4)
-
Step 800
800 (this color)
#155D3E
oklch(42.6% 0.087 160)
-
Step 900
900
#1B4C35
oklch(37.6% 0.067 160.2)
-
Step 950
950
#112D1F
oklch(27% 0.043 159.7)
#155D3E 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) | #5C553C | 0.082 |
| Deuteranopia (no green cones) | #534F40 | 0.080 |
| Tritanopia (no blue cones) | #005D55 | 0.037 |
| Achromatopsia (no color) | #525252 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155D3E
#155D3E
oklch(42.6% 0.087 160)
- #6E3A5E
#6E3A5E
oklch(42.6% 0.088 339.8)
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 #155D3E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.014
- Pine #2B5D34 ΔE 0.019
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Blue Green #005249 ΔE 0.048
- Navy Green #35530A ΔE 0.056
- Deep Green #02590F ΔE 0.057
- Deep Teal #00555A ΔE 0.060
- Forest #0B5509 ΔE 0.061
Use #155D3E 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.