#155D01
Closest named color: Deep Green (#02590F). oklch(41.8% 0.135 140.5), rgb(21, 93, 1).
Aa
White text reads best on this color (8.08:1).
About this color
#155D01 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.135 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.018 away. White text reads best on it, at 8.08:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.59:1 |
| White text | 8.08:1 |
Values
| HEX | #155D01 |
| RGB | rgb(21, 93, 1) |
| HSL | hsl(107, 98%, 18%) |
| OKLCH | oklch(41.8% 0.135 140.5) |
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 #155D01 | 8.08:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #155D01 | 2.59:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #155D01 text on white | 8.08:1 | AAA | Lc 87.5 | Fine for body text |
| #155D01 text on black | 2.59:1 | Fails | Lc -14.6 | Not readable |
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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CAE1C6
oklch(88.5% 0.044 141)
-
Step 300
300
#A5CE9E
oklch(80.9% 0.079 141)
-
Step 400
400
#73B467
oklch(70.7% 0.127 140.6)
-
Step 500
500
#4BA03A
oklch(63.1% 0.162 140.5)
-
Step 600
600
#288A0C
oklch(55.5% 0.176 140.5)
-
Step 700
700
#1C7500
oklch(49.2% 0.16 140.5)
-
Step 800
800 (this color)
#155D01
oklch(41.8% 0.135 140.5)
-
Step 900
900
#1C4E12
oklch(37.6% 0.105 140.6)
-
Step 950
950
#122E0C
oklch(27% 0.067 140.3)
#155D01 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) | #605300 | 0.094 |
| Deuteranopia (no green cones) | #584E0F | 0.091 |
| Tritanopia (no blue cones) | #035A4E | 0.090 |
| Achromatopsia (no color) | #505050 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #155D01
#155D01
oklch(41.8% 0.135 140.5)
- #6C2D79
#6C2D79
oklch(41.8% 0.136 320.5)
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 #155D01, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.018
- Dark Green #006400 ΔE 0.022
- Forest #0B5509 ΔE 0.029
- Navy Green #35530A ΔE 0.042
- Spruce #0A5F38 ΔE 0.050
- Pine #2B5D34 ΔE 0.053
- Army Green #4B5D16 ΔE 0.060
- Camouflage Green #4B6113 ΔE 0.061
Use #155D01 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.