#1B5C15
Closest named color: Deep Green (#02590F). oklch(41.8% 0.122 141.9), rgb(27, 92, 21).
Aa
White text reads best on this color (8.11:1).
About this color
#1B5C15 is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.122 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.017 away. White text reads best on it, at 8.11:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #1B5C15 |
| RGB | rgb(27, 92, 21) |
| HSL | hsl(115, 63%, 22%) |
| OKLCH | oklch(41.8% 0.122 141.9) |
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 #1B5C15 | 8.11:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #1B5C15 | 2.58:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #1B5C15 text on white | 8.11:1 | AAA | Lc 87.7 | Fine for body text |
| #1B5C15 text on black | 2.58:1 | Fails | Lc -14.4 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C8
oklch(88.4% 0.039 141.7)
-
Step 300
300
#A7CDA2
oklch(80.9% 0.072 141.8)
-
Step 400
400
#76B36F
oklch(70.8% 0.115 141.9)
-
Step 500
500
#509F48
oklch(63.2% 0.146 141.9)
-
Step 600
600
#2F8927
oklch(55.6% 0.159 142)
-
Step 700
700
#217419
oklch(49.1% 0.147 141.9)
-
Step 800
800 (this color)
#1B5C15
oklch(41.8% 0.122 141.9)
-
Step 900
900
#1F4E1B
oklch(37.8% 0.095 142.1)
-
Step 950
950
#132E11
oklch(27.1% 0.061 142.4)
#1B5C15 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) | #5E5309 | 0.084 |
| Deuteranopia (no green cones) | #574E1C | 0.085 |
| Tritanopia (no blue cones) | #0E594E | 0.079 |
| Achromatopsia (no color) | #505050 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B5C15
#1B5C15
oklch(41.8% 0.122 141.9)
- #6A3173
#6A3173
oklch(41.7% 0.122 322)
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 #1B5C15, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.017
- Forest #0B5509 ΔE 0.027
- Dark Green #006400 ΔE 0.032
- Navy Green #35530A ΔE 0.033
- Spruce #0A5F38 ΔE 0.037
- Pine #2B5D34 ΔE 0.040
- Army Green #4B5D16 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.056
Use #1B5C15 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.