#155F3C
Closest named color: Spruce (#0A5F38). oklch(43.2% 0.092 157.7), rgb(21, 95, 60).
Aa
White text reads best on this color (7.68:1).
About this color
#155F3C is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.092 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.008 away. White text reads best on it, at 7.68:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #155F3C |
| RGB | rgb(21, 95, 60) |
| HSL | hsl(152, 64%, 23%) |
| OKLCH | oklch(43.2% 0.092 157.7) |
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 #155F3C | 7.68:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #155F3C | 2.73:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #155F3C text on white | 7.68:1 | AAA | Lc 86.3 | Fine for body text |
| #155F3C text on black | 2.73:1 | Fails | Lc -15.7 | 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
#F2F7F3
oklch(97.1% 0.007 151.9)
-
Step 100
100
#E2EDE6
oklch(93.6% 0.015 158.2)
-
Step 200
200
#CADFD2
oklch(88.4% 0.029 158.6)
-
Step 300
300
#A5CCB3
oklch(81% 0.054 156.9)
-
Step 400
400
#71B18C
oklch(70.7% 0.086 157.9)
-
Step 500
500
#479D6F
oklch(63% 0.109 157.6)
-
Step 600
600
#208857
oklch(55.7% 0.12 157.5)
-
Step 700
700
#0F7347
oklch(49.1% 0.111 157.5)
-
Step 800
800 (this color)
#155F3C
oklch(43.2% 0.092 157.7)
-
Step 900
900
#194D32
oklch(37.7% 0.072 157.3)
-
Step 950
950
#112D1E
oklch(27% 0.044 158)
#155F3C 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) | #5E573A | 0.084 |
| Deuteranopia (no green cones) | #55503E | 0.083 |
| Tritanopia (no blue cones) | #005E56 | 0.042 |
| Achromatopsia (no color) | #535353 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155F3C
#155F3C
oklch(43.2% 0.092 157.7)
- #703B62
#703B62
oklch(43.3% 0.092 337.8)
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 #155F3C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.008
- Pine #2B5D34 ΔE 0.016
- Dark Green Blue #1F6357 ΔE 0.043
- Deep Green #02590F ΔE 0.054
- Navy Green #35530A ΔE 0.055
- Dark Blue Green #005249 ΔE 0.056
- Army Green #4B5D16 ΔE 0.059
- Forest #0B5509 ΔE 0.059
Use #155F3C 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.