#1B6400
Closest named color: Dark Green (#006400). oklch(44.1% 0.142 139.9), rgb(27, 100, 0).
Aa
White text reads best on this color (7.31:1).
About this color
#1B6400 is a dark, vivid green. In OKLCH its lightness is 44%, its chroma 0.142 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.011 away. White text reads best on it, at 7.31:1.
| Hue family | Greens |
| Lightness | dark (44%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.86:1 |
| White text | 7.31:1 |
Values
| HEX | #1B6400 |
| RGB | rgb(27, 100, 0) |
| HSL | hsl(104, 100%, 20%) |
| OKLCH | oklch(44.1% 0.142 139.9) |
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 #1B6400 | 7.31:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #1B6400 | 2.86:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #1B6400 text on white | 7.31:1 | AAA | Lc 84.9 | Fine for body text |
| #1B6400 text on black | 2.86:1 | Fails | Lc -17.1 | 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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E2EEDF
oklch(93.6% 0.024 139.4)
-
Step 200
200
#CAE1C4
oklch(88.5% 0.046 139.2)
-
Step 300
300
#A5CE9B
oklch(80.9% 0.083 139.6)
-
Step 400
400
#72B463
oklch(70.6% 0.132 139.9)
-
Step 500
500
#49A132
oklch(63.2% 0.17 139.8)
-
Step 600
600
#298A00
oklch(55.5% 0.178 139.9)
-
Step 700
700
#217400
oklch(49% 0.157 139.9)
-
Step 800
800 (this color)
#1B6400
oklch(44.1% 0.142 139.9)
-
Step 900
900
#1B4F0C
oklch(37.8% 0.111 139.9)
-
Step 950
950
#112E0A
oklch(26.9% 0.07 140)
#1B6400 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) | #675A00 | 0.096 |
| Deuteranopia (no green cones) | #5F5410 | 0.095 |
| Tritanopia (no blue cones) | #0D6054 | 0.097 |
| Achromatopsia (no color) | #565656 | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B6400
#1B6400
oklch(44.1% 0.142 139.9)
- #743282
#743282
oklch(44.1% 0.142 320.3)
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 #1B6400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.011
- Deep Green #02590F ΔE 0.041
- Forest #0B5509 ΔE 0.052
- Camouflage Green #4B6113 ΔE 0.053
- Spruce #0A5F38 ΔE 0.056
- Army Green #4B5D16 ΔE 0.057
- Navy Green #35530A ΔE 0.058
- Pine #2B5D34 ΔE 0.058
Use #1B6400 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.