#423800
Closest named color: Dark Olive (#373E02). oklch(34.1% 0.07 98), rgb(66, 56, 0).
Aa
White text reads best on this color (11.68:1).
About this color
#423800 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.070 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.026 away. White text reads best on it, at 11.68:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.79:1 |
| White text | 11.68:1 |
Values
| HEX | #423800 |
| RGB | rgb(66, 56, 0) |
| HSL | hsl(51, 100%, 13%) |
| OKLCH | oklch(34.1% 0.07 98) |
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 #423800 | 11.68:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #423800 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #423800 text on white | 11.68:1 | AAA | Lc 96.7 | Preferred for body text |
| #423800 text on black | 1.79:1 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DEDAC4
oklch(88.6% 0.03 98.5)
-
Step 300
300
#C9C29B
oklch(81% 0.053 99)
-
Step 400
400
#AEA162
oklch(70.6% 0.084 98)
-
Step 500
500
#9B8A33
oklch(63.2% 0.108 98.1)
-
Step 600
600
#857300
oklch(55.6% 0.115 98.3)
-
Step 700
700
#706000
oklch(49% 0.101 97.8)
-
Step 800
800
#5C4F00
oklch(42.8% 0.088 98.3)
-
Step 900
900 (this color)
#423800
oklch(34.1% 0.07 98)
-
Step 950
950
#2C270A
oklch(27.1% 0.045 99.5)
#423800 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) | #3F3600 | 0.009 |
| Deuteranopia (no green cones) | #423A03 | 0.006 |
| Tritanopia (no blue cones) | #48332E | 0.064 |
| Achromatopsia (no color) | #383838 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423800
#423800
oklch(34.1% 0.07 98)
- #30345C
#30345C
oklch(34.2% 0.07 277.7)
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 #423800, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.026
- Pakistan Green #283618 ΔE 0.048
- Forrest Green #154406 ΔE 0.068
- Hunter Green #0B4008 ΔE 0.071
- Pine Green #0A481E ΔE 0.074
- Mud Brown #60460F ΔE 0.075
- Evergreen #05472A ΔE 0.076
- Green Brown #544E03 ΔE 0.078
Use #423800 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.