#423E09
Closest named color: Dark Olive (#373E02). oklch(35.7% 0.07 104.9), rgb(66, 62, 9).
Aa
White text reads best on this color (10.91:1).
About this color
#423E09 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.070 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 10.91:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.92:1 |
| White text | 10.91:1 |
Values
| HEX | #423E09 |
| RGB | rgb(66, 62, 9) |
| HSL | hsl(56, 76%, 15%) |
| OKLCH | oklch(35.7% 0.07 104.9) |
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 #423E09 | 10.91:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #423E09 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #423E09 text on white | 10.91:1 | AAA | Lc 95.2 | Preferred for body text |
| #423E09 text on black | 1.92:1 | Fails | Lc -7.5 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEBDF
oklch(93.7% 0.016 106.7)
-
Step 200
200
#DCDBC5
oklch(88.6% 0.029 104.9)
-
Step 300
300
#C5C39C
oklch(80.9% 0.053 105.1)
-
Step 400
400
#A8A465
oklch(70.7% 0.084 105.2)
-
Step 500
500
#938D38
oklch(63.1% 0.107 105.3)
-
Step 600
600
#7E7607
oklch(55.6% 0.116 104.7)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#575103
oklch(42.7% 0.089 104.5)
-
Step 900
900 (this color)
#423E09
oklch(35.7% 0.07 104.9)
-
Step 950
950
#2A280C
oklch(27.2% 0.044 105.2)
#423E09 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) | #443B01 | 0.009 |
| Deuteranopia (no green cones) | #463E0D | 0.008 |
| Tritanopia (no blue cones) | #483934 | 0.064 |
| Achromatopsia (no color) | #3D3D3D | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423E09
#423E09
oklch(35.7% 0.07 104.9)
- #39365F
#39365F
oklch(35.6% 0.07 285.6)
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 #423E09, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Pakistan Green #283618 ΔE 0.055
- Green Brown #544E03 ΔE 0.062
- Forrest Green #154406 ΔE 0.062
- Mud Brown #60460F ΔE 0.063
- Pine Green #0A481E ΔE 0.064
- Evergreen #05472A ΔE 0.067
- Navy Green #35530A ΔE 0.068
Use #423E09 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.