#042B09
Closest named color: Dark Forest Green (#002D04). oklch(25.3% 0.073 145.2), rgb(4, 43, 9).
Aa
White text reads best on this color (15.50:1).
About this color
#042B09 is a dark, moderately saturated green. In OKLCH its lightness is 25%, its chroma 0.073 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Forest Green (#002D04), ΔE 0.011 away. White text reads best on it, at 15.50:1.
| Hue family | Greens |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Dark Forest Green (#002D04) |
| Black text | 1.35:1 |
| White text | 15.50:1 |
Values
| HEX | #042B09 |
| RGB | rgb(4, 43, 9) |
| HSL | hsl(128, 83%, 9%) |
| OKLCH | oklch(25.3% 0.073 145.2) |
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 #042B09 | 15.50:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #042B09 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #042B09 text on white | 15.50:1 | AAA | Lc 102.2 | Preferred for body text |
| #042B09 text on black | 1.35:1 | 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 950.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#E0EFE0
oklch(93.7% 0.026 145.4)
-
Step 200
200
#C6E2C6
oklch(88.5% 0.048 145.2)
-
Step 300
300
#9ED09F
oklch(81% 0.086 145.2)
-
Step 400
400
#64B769
oklch(70.7% 0.138 145.2)
-
Step 500
500
#2CA43D
oklch(63.2% 0.177 145.2)
-
Step 600
600
#008C26
oklch(55.6% 0.174 145.3)
-
Step 700
700
#00761E
oklch(49.2% 0.154 145.2)
-
Step 800
800
#006117
oklch(42.8% 0.134 145.2)
-
Step 900
900
#045014
oklch(37.6% 0.114 145.3)
-
Step 950
950 (this color)
#042B09
oklch(25.3% 0.073 145.2)
#042B09 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) | #2C2606 | 0.055 |
| Deuteranopia (no green cones) | #27230C | 0.054 |
| Tritanopia (no blue cones) | #002A24 | 0.044 |
| Achromatopsia (no color) | #242424 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #042B09
#042B09
oklch(25.3% 0.073 145.2)
- #331435
#331435
oklch(25.3% 0.072 325.1)
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 #042B09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Forest Green #002D04 ΔE 0.011
- Very Dark Green #062E03 ΔE 0.015
- Pakistan Green #283618 ΔE 0.064
- Jet #212529 ΔE 0.076
- Hunter Green #0B4008 ΔE 0.077
- Dark Brown #341C02 ΔE 0.083
- Dark #1B2431 ΔE 0.087
- Forrest Green #154406 ΔE 0.093
Use #042B09 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.