#1B6521
Closest named color: Dark Green (#006400). oklch(44.6% 0.125 144.3), rgb(27, 101, 33).
Aa
White text reads best on this color (7.16:1).
About this color
#1B6521 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.125 and its hue 144°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.026 away. White text reads best on it, at 7.16:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.93:1 |
| White text | 7.16:1 |
Values
| HEX | #1B6521 |
| RGB | rgb(27, 101, 33) |
| HSL | hsl(125, 58%, 25%) |
| OKLCH | oklch(44.6% 0.125 144.3) |
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 #1B6521 | 7.16:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #1B6521 | 2.93:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #1B6521 text on white | 7.16:1 | AAA | Lc 84.5 | Fine for body text |
| #1B6521 text on black | 2.93:1 | Fails | Lc -17.5 | 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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CAE1C9
oklch(88.6% 0.041 144.1)
-
Step 300
300
#A4CDA3
oklch(80.8% 0.073 144.3)
-
Step 400
400
#71B471
oklch(70.8% 0.118 144.2)
-
Step 500
500
#47A04B
oklch(63.1% 0.149 144.4)
-
Step 600
600
#218A2B
oklch(55.6% 0.162 144.2)
-
Step 700
700
#10751E
oklch(49.1% 0.15 144.3)
-
Step 800
800 (this color)
#1B6521
oklch(44.6% 0.125 144.3)
-
Step 900
900
#1A4E1D
oklch(37.6% 0.096 144.3)
-
Step 950
950
#112E12
oklch(27% 0.061 144.3)
#1B6521 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) | #675B19 | 0.092 |
| Deuteranopia (no green cones) | #5E5527 | 0.092 |
| Tritanopia (no blue cones) | #036257 | 0.078 |
| Achromatopsia (no color) | #585858 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6521
#1B6521
oklch(44.6% 0.125 144.3)
- #75387A
#75387A
oklch(44.7% 0.124 324.5)
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 #1B6521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.026
- Spruce #0A5F38 ΔE 0.039
- Pine #2B5D34 ΔE 0.042
- Deep Green #02590F ΔE 0.043
- Camouflage Green #4B6113 ΔE 0.046
- Army Green #4B5D16 ΔE 0.049
- Forest #0B5509 ΔE 0.054
- Navy Green #35530A ΔE 0.055
Use #1B6521 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.