#404400
Closest named color: Dark Olive (#373E02). oklch(37% 0.083 113.5), rgb(64, 68, 0).
Aa
White text reads best on this color (10.26:1).
About this color
#404400 is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.083 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 10.26:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.04:1 |
| White text | 10.26:1 |
Values
| HEX | #404400 |
| RGB | rgb(64, 68, 0) |
| HSL | hsl(64, 100%, 13%) |
| OKLCH | oklch(37% 0.083 113.5) |
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 #404400 | 10.26:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #404400 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #404400 text on white | 10.26:1 | AAA | Lc 93.7 | Preferred for body text |
| #404400 text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E9EBDE
oklch(93.5% 0.017 113.8)
-
Step 200
200
#D8DCC2
oklch(88.4% 0.035 114.2)
-
Step 300
300
#C0C698
oklch(81% 0.062 113.8)
-
Step 400
400
#A0A75C
oklch(70.6% 0.099 113.3)
-
Step 500
500
#8A9125
oklch(63.1% 0.127 113.2)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800
#4F5400
oklch(42.7% 0.096 113.7)
-
Step 900
900 (this color)
#404400
oklch(37% 0.083 113.5)
-
Step 950
950
#262906
oklch(26.9% 0.053 114.1)
#404400 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) | #4A4000 | 0.021 |
| Deuteranopia (no green cones) | #4A4106 | 0.021 |
| Tritanopia (no blue cones) | #453F38 | 0.073 |
| Achromatopsia (no color) | #414141 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404400
#404400
oklch(37% 0.083 113.5)
- #423667
#423667
oklch(37% 0.083 293.2)
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 #404400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Navy Green #35530A ΔE 0.047
- Green Brown #544E03 ΔE 0.048
- Forrest Green #154406 ΔE 0.054
- Pine Green #0A481E ΔE 0.057
- British Racing Green #05480D ΔE 0.060
- Darkgreen #054907 ΔE 0.061
- Mud Brown #60460F ΔE 0.061
Use #404400 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.