#155F48
Closest named color: Spruce (#0A5F38). oklch(43.5% 0.08 167.3), rgb(21, 95, 72).
Aa
White text reads best on this color (7.60:1).
About this color
#155F48 is a dark, moderately saturated green. In OKLCH its lightness is 44%, its chroma 0.080 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.026 away. White text reads best on it, at 7.60:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.080) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.76:1 |
| White text | 7.60:1 |
Values
| HEX | #155F48 |
| RGB | rgb(21, 95, 72) |
| HSL | hsl(161, 64%, 23%) |
| OKLCH | oklch(43.5% 0.08 167.3) |
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 #155F48 | 7.60:1 | AAA | Lc -90.9 | Preferred for body text |
| Black text on #155F48 | 2.76:1 | Fails | Lc 17.9 | Dividers and decoration only |
| #155F48 text on white | 7.60:1 | AAA | Lc 86.1 | Fine for body text |
| #155F48 text on black | 2.76:1 | Fails | Lc -16.0 | 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
#CADFD6
oklch(88.5% 0.026 168.2)
-
Step 300
300
#A4CBBA
oklch(80.9% 0.048 166.8)
-
Step 400
400
#71B097
oklch(70.7% 0.075 167.3)
-
Step 500
500
#469C7E
oklch(63.1% 0.096 167.7)
-
Step 600
600
#1E8667
oklch(55.5% 0.104 167.8)
-
Step 700
700
#0C7255
oklch(49.1% 0.097 167)
-
Step 800
800 (this color)
#155F48
oklch(43.5% 0.08 167.3)
-
Step 900
900
#194C3B
oklch(37.7% 0.062 167.8)
-
Step 950
950
#102D22
oklch(27.1% 0.041 166.1)
#155F48 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) | #5D5847 | 0.081 |
| Deuteranopia (no green cones) | #53514A | 0.078 |
| Tritanopia (no blue cones) | #005F59 | 0.028 |
| Achromatopsia (no color) | #545454 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155F48
#155F48
oklch(43.5% 0.08 167.3)
- #713E59
#713E59
oklch(43.5% 0.08 347.9)
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 #155F48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.026
- Dark Green Blue #1F6357 ΔE 0.026
- Pine #2B5D34 ΔE 0.029
- Dark Blue Green #005249 ΔE 0.047
- Deep Teal #00555A ΔE 0.052
- Dark Aqua #05696B ΔE 0.056
- Petrol #005F6A ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.060
Use #155F48 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.