#1B420B
Closest named color: Forrest Green (#154406). oklch(33.8% 0.093 138.4), rgb(27, 66, 11).
Aa
White text reads best on this color (11.47:1).
About this color
#1B420B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.093 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.010 away. White text reads best on it, at 11.47:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.83:1 |
| White text | 11.47:1 |
Values
| HEX | #1B420B |
| RGB | rgb(27, 66, 11) |
| HSL | hsl(103, 71%, 15%) |
| OKLCH | oklch(33.8% 0.093 138.4) |
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 #1B420B | 11.47:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #1B420B | 1.83:1 | Fails | Lc 7.7 | Not readable |
| #1B420B text on white | 11.47:1 | AAA | Lc 96.2 | Preferred for body text |
| #1B420B text on black | 1.83:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E3EDE0
oklch(93.5% 0.02 138.4)
-
Step 200
200
#CDE0C7
oklch(88.6% 0.039 138.2)
-
Step 300
300
#ABCCA0
oklch(80.9% 0.07 137.9)
-
Step 400
400
#7DB16C
oklch(70.7% 0.111 138.2)
-
Step 500
500
#5A9D42
oklch(63.1% 0.143 138.2)
-
Step 600
600
#3D871F
oklch(55.5% 0.155 138.5)
-
Step 700
700
#2F730F
oklch(49.2% 0.145 138.4)
-
Step 800
800
#285D12
oklch(42.6% 0.119 138.4)
-
Step 900
900 (this color)
#1B420B
oklch(33.8% 0.093 138.4)
-
Step 950
950
#172D0F
oklch(27% 0.059 138.1)
#1B420B 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) | #443B03 | 0.060 |
| Deuteranopia (no green cones) | #3F3811 | 0.061 |
| Tritanopia (no blue cones) | #183F37 | 0.065 |
| Achromatopsia (no color) | #393939 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B420B
#1B420B
oklch(33.8% 0.093 138.4)
- #4B2556
#4B2556
oklch(33.8% 0.093 318.2)
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 #1B420B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.010
- Hunter Green #0B4008 ΔE 0.016
- British Racing Green #05480D ΔE 0.022
- Pine Green #0A481E ΔE 0.023
- Racing Green #014600 ΔE 0.024
- Darkgreen #054907 ΔE 0.027
- Bottle Green #044A05 ΔE 0.030
- Evergreen #05472A ΔE 0.035
Use #1B420B 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.