#155E2F
Closest named color: Spruce (#0A5F38). oklch(42.6% 0.104 150.7), rgb(21, 94, 47).
Aa
White text reads best on this color (7.85:1).
About this color
#155E2F is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.104 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Spruce (#0A5F38), ΔE 0.011 away. White text reads best on it, at 7.85:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Spruce (#0A5F38) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #155E2F |
| RGB | rgb(21, 94, 47) |
| HSL | hsl(141, 63%, 23%) |
| OKLCH | oklch(42.6% 0.104 150.7) |
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 #155E2F | 7.85:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #155E2F | 2.67:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #155E2F text on white | 7.85:1 | AAA | Lc 86.9 | Fine for body text |
| #155E2F text on black | 2.67:1 | Fails | Lc -15.2 | 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
#E2EDE4
oklch(93.5% 0.017 151.1)
-
Step 200
200
#CAE0CE
oklch(88.5% 0.034 150.8)
-
Step 300
300
#A5CCAD
oklch(80.8% 0.06 151)
-
Step 400
400
#72B281
oklch(70.7% 0.097 150.7)
-
Step 500
500
#499E61
oklch(63.1% 0.123 150.7)
-
Step 600
600
#248947
oklch(55.7% 0.135 150.5)
-
Step 700
700
#137439
oklch(49.2% 0.125 150.8)
-
Step 800
800 (this color)
#155E2F
oklch(42.6% 0.104 150.7)
-
Step 900
900
#1B4D2A
oklch(37.6% 0.08 150.6)
-
Step 950
950
#112D19
oklch(26.9% 0.051 151)
#155E2F 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) | #5E552B | 0.086 |
| Deuteranopia (no green cones) | #564F32 | 0.086 |
| Tritanopia (no blue cones) | #005C53 | 0.057 |
| Achromatopsia (no color) | #525252 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155E2F
#155E2F
oklch(42.6% 0.104 150.7)
- #6E3769
#6E3769
oklch(42.7% 0.104 330.7)
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 #155E2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Spruce #0A5F38 ΔE 0.011
- Pine #2B5D34 ΔE 0.019
- Deep Green #02590F ΔE 0.037
- Navy Green #35530A ΔE 0.043
- Forest #0B5509 ΔE 0.044
- Dark Green #006400 ΔE 0.049
- Army Green #4B5D16 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.057
Use #155E2F 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.