#1F420B
Closest named color: Forrest Green (#154406). oklch(34% 0.091 136.7), rgb(31, 66, 11).
Aa
White text reads best on this color (11.39:1).
About this color
#1F420B is a dark, moderately saturated green. In OKLCH its lightness is 34%, its chroma 0.091 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 0.013 away. White text reads best on it, at 11.39:1.
| Hue family | Greens |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Forrest Green (#154406) |
| Black text | 1.84:1 |
| White text | 11.39:1 |
Values
| HEX | #1F420B |
| RGB | rgb(31, 66, 11) |
| HSL | hsl(98, 71%, 15%) |
| OKLCH | oklch(34% 0.091 136.7) |
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 #1F420B | 11.39:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #1F420B | 1.84:1 | Fails | Lc 7.8 | Not readable |
| #1F420B text on white | 11.39:1 | AAA | Lc 96.1 | Preferred for body text |
| #1F420B text on black | 1.84:1 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE0
oklch(93.6% 0.02 135.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ADCBA0
oklch(80.9% 0.067 136.3)
-
Step 400
400
#80B06B
oklch(70.6% 0.109 136.6)
-
Step 500
500
#5F9C41
oklch(63.1% 0.14 136.6)
-
Step 600
600
#44861D
oklch(55.5% 0.151 136.6)
-
Step 700
700
#35720D
oklch(49.2% 0.142 136.8)
-
Step 800
800
#2D5D11
oklch(42.8% 0.117 136.7)
-
Step 900
900 (this color)
#1F420B
oklch(34% 0.091 136.7)
-
Step 950
950
#182D0F
oklch(27.1% 0.058 137.2)
#1F420B 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) | #453C03 | 0.057 |
| Deuteranopia (no green cones) | #403911 | 0.057 |
| Tritanopia (no blue cones) | #1D3F37 | 0.064 |
| Achromatopsia (no color) | #3A3A3A | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F420B
#1F420B
oklch(34% 0.091 136.7)
- #4A2757
#4A2757
oklch(34.1% 0.09 316.2)
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 #1F420B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forrest Green #154406 ΔE 0.013
- Hunter Green #0B4008 ΔE 0.020
- Pine Green #0A481E ΔE 0.024
- British Racing Green #05480D ΔE 0.024
- Racing Green #014600 ΔE 0.027
- Darkgreen #054907 ΔE 0.028
- Bottle Green #044A05 ΔE 0.032
- Dark Olive #373E02 ΔE 0.032
Use #1F420B 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.