#155F46
Closest named color: Spruce (#0A5F38). oklch(43.4% 0.082 165.5), rgb(21, 95, 70).
Aa
White text reads best on this color (7.61:1).
About this color
#155F46 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.082 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.023 away. White text reads best on it, at 7.61:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.082) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.75:1 |
| White text | 7.61:1 |
Values
| HEX | #155F46 |
| RGB | rgb(21, 95, 70) |
| HSL | hsl(160, 64%, 23%) |
| OKLCH | oklch(43.4% 0.082 165.5) |
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 #155F46 | 7.61:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #155F46 | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #155F46 text on white | 7.61:1 | AAA | Lc 86.1 | Fine for body text |
| #155F46 text on black | 2.75:1 | Fails | Lc -15.9 | 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
#E2EDE8
oklch(93.6% 0.013 167.2)
-
Step 200
200
#CADFD5
oklch(88.5% 0.026 165.6)
-
Step 300
300
#A4CBB9
oklch(80.9% 0.049 165.4)
-
Step 400
400
#71B095
oklch(70.7% 0.077 165.4)
-
Step 500
500
#469C7B
oklch(63% 0.098 165.6)
-
Step 600
600
#1F8764
oklch(55.7% 0.107 165.2)
-
Step 700
700
#0C7253
oklch(49.1% 0.099 165.5)
-
Step 800
800 (this color)
#155F46
oklch(43.4% 0.082 165.5)
-
Step 900
900
#194C39
oklch(37.6% 0.064 165.3)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#155F46 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) | #5D5845 | 0.081 |
| Deuteranopia (no green cones) | #535148 | 0.078 |
| Tritanopia (no blue cones) | #005F58 | 0.029 |
| Achromatopsia (no color) | #545454 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155F46
#155F46
oklch(43.4% 0.082 165.5)
- #713D5B
#713D5B
oklch(43.4% 0.083 345.5)
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 #155F46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.023
- Pine #2B5D34 ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.029
- Dark Blue Green #005249 ΔE 0.048
- Deep Teal #00555A ΔE 0.055
- Dark Aqua #05696B ΔE 0.058
- Petrol #005F6A ΔE 0.059
- Dark Slate Gray #2F4F4F ΔE 0.062
Use #155F46 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.