#1B4310
Closest named color: Forrest Green (#154406). oklch(34.2% 0.091 139.6), rgb(27, 67, 16).
Aa
White text reads best on this color (11.30:1).
About this color
#1B4310 is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.091 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forrest Green (#154406), ΔE 0.011 away. White text reads best on it, at 11.30:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #1B4310 |
| RGB | rgb(27, 67, 16) |
| HSL | hsl(107, 61%, 16%) |
| OKLCH | oklch(34.2% 0.091 139.6) |
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 #1B4310 | 11.30:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #1B4310 | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #1B4310 text on white | 11.30:1 | AAA | Lc 95.9 | Preferred for body text |
| #1B4310 text on black | 1.85:1 | 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
#E3EDE1
oklch(93.5% 0.019 140.5)
-
Step 200
200
#CDE0C8
oklch(88.6% 0.038 139.2)
-
Step 300
300
#AACCA2
oklch(80.9% 0.068 139.7)
-
Step 400
400
#7CB16F
oklch(70.7% 0.109 139.6)
-
Step 500
500
#589D47
oklch(63% 0.139 139.7)
-
Step 600
600
#3C8726
oklch(55.5% 0.151 139.5)
-
Step 700
700
#2D7318
oklch(49.2% 0.142 139.7)
-
Step 800
800
#275D17
oklch(42.6% 0.116 139.5)
-
Step 900
900 (this color)
#1B4310
oklch(34.2% 0.091 139.6)
-
Step 950
950
#162D10
oklch(27% 0.058 139.5)
#1B4310 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) | #453C09 | 0.061 |
| Deuteranopia (no green cones) | #403915 | 0.062 |
| Tritanopia (no blue cones) | #174139 | 0.061 |
| Achromatopsia (no color) | #3A3A3A | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4310
#1B4310
oklch(34.2% 0.091 139.6)
- #4C2655
#4C2655
oklch(34.1% 0.091 319.7)
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 #1B4310, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.011
- Hunter Green #0B4008 ΔE 0.019
- Pine Green #0A481E ΔE 0.019
- British Racing Green #05480D ΔE 0.021
- Racing Green #014600 ΔE 0.025
- Darkgreen #054907 ΔE 0.026
- Bottle Green #044A05 ΔE 0.030
- Evergreen #05472A ΔE 0.031
Use #1B4310 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.