#1B4107
Closest named color: Forrest Green (#154406). oklch(33.4% 0.095 137.4), rgb(27, 65, 7).
Aa
White text reads best on this color (11.62:1).
About this color
#1B4107 is a dark, moderately saturated green. In OKLCH its lightness is 33%, its chroma 0.095 and its hue 137°. 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 11.62:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.80:1 |
| White text | 11.62:1 |
Values
| HEX | #1B4107 |
| RGB | rgb(27, 65, 7) |
| HSL | hsl(99, 81%, 14%) |
| OKLCH | oklch(33.4% 0.095 137.4) |
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 #1B4107 | 11.62:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #1B4107 | 1.80:1 | Fails | Lc 7.4 | Not readable |
| #1B4107 text on white | 11.62:1 | AAA | Lc 96.5 | Preferred for body text |
| #1B4107 text on black | 1.80:1 | 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
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CDE0C6
oklch(88.5% 0.041 137.2)
-
Step 300
300
#ABCC9F
oklch(80.9% 0.071 137.4)
-
Step 400
400
#7EB16A
oklch(70.7% 0.113 137.3)
-
Step 500
500
#5B9D3F
oklch(63.1% 0.145 137.5)
-
Step 600
600
#3F8719
oklch(55.5% 0.157 137.5)
-
Step 700
700
#317207
oklch(49% 0.146 137.3)
-
Step 800
800
#295D0D
oklch(42.6% 0.121 137.5)
-
Step 900
900 (this color)
#1B4107
oklch(33.4% 0.095 137.4)
-
Step 950
950
#172D0E
oklch(27% 0.06 137.5)
#1B4107 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) | #433B00 | 0.059 |
| Deuteranopia (no green cones) | #3F370D | 0.061 |
| Tritanopia (no blue cones) | #183E36 | 0.066 |
| Achromatopsia (no color) | #393939 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B4107
#1B4107
oklch(33.4% 0.095 137.4)
- #4A2456
#4A2456
oklch(33.5% 0.095 317.5)
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 #1B4107, 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 0.013
- British Racing Green #05480D ΔE 0.024
- Racing Green #014600 ΔE 0.024
- Pine Green #0A481E ΔE 0.027
- Darkgreen #054907 ΔE 0.028
- Bottle Green #044A05 ΔE 0.032
- Dark Olive #373E02 ΔE 0.037
Use #1B4107 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.