#155F45
Closest named color: Spruce (#0A5F38). oklch(43.4% 0.083 164.6), rgb(21, 95, 69).
Aa
White text reads best on this color (7.62:1).
About this color
#155F45 is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.083 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.021 away. White text reads best on it, at 7.62:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #155F45 |
| RGB | rgb(21, 95, 69) |
| HSL | hsl(159, 64%, 23%) |
| OKLCH | oklch(43.4% 0.083 164.6) |
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 #155F45 | 7.62:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #155F45 | 2.75:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #155F45 text on white | 7.62:1 | AAA | Lc 86.2 | Fine for body text |
| #155F45 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
#E2EDE7
oklch(93.6% 0.014 162.5)
-
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
#71B094
oklch(70.6% 0.077 164.6)
-
Step 500
500
#469C7A
oklch(63% 0.099 164.9)
-
Step 600
600
#1F8763
oklch(55.7% 0.108 164.6)
-
Step 700
700
#0D7252
oklch(49.1% 0.1 164.8)
-
Step 800
800 (this color)
#155F45
oklch(43.4% 0.083 164.6)
-
Step 900
900
#194C39
oklch(37.6% 0.064 165.3)
-
Step 950
950
#102D21
oklch(27.1% 0.042 164)
#155F45 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) | #5D5844 | 0.081 |
| Deuteranopia (no green cones) | #545147 | 0.079 |
| Tritanopia (no blue cones) | #005F58 | 0.031 |
| Achromatopsia (no color) | #545454 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155F45
#155F45
oklch(43.4% 0.083 164.6)
- #713D5C
#713D5C
oklch(43.5% 0.084 344.5)
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 #155F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.021
- Pine #2B5D34 ΔE 0.025
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Blue Green #005249 ΔE 0.049
- Deep Teal #00555A ΔE 0.056
- Dark Aqua #05696B ΔE 0.060
- Petrol #005F6A ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #155F45 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.