#423910
Closest named color: Dark Olive (#373E02). oklch(34.5% 0.059 96.7), rgb(66, 57, 16).
Aa
White text reads best on this color (11.51:1).
About this color
#423910 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.059 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.030 away. White text reads best on it, at 11.51:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.059) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.82:1 |
| White text | 11.51:1 |
Values
| HEX | #423910 |
| RGB | rgb(66, 57, 16) |
| HSL | hsl(49, 61%, 16%) |
| OKLCH | oklch(34.5% 0.059 96.7) |
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 #423910 | 11.51:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #423910 | 1.82:1 | Fails | Lc 7.4 | Not readable |
| #423910 text on white | 11.51:1 | AAA | Lc 96.4 | Preferred for body text |
| #423910 text on black | 1.82:1 | 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
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DDD9C7
oklch(88.4% 0.025 96.6)
-
Step 300
300
#C8C1A1
oklch(80.8% 0.044 97)
-
Step 400
400
#ADA16D
oklch(70.7% 0.071 96.7)
-
Step 500
500
#998A45
oklch(63.2% 0.091 97.3)
-
Step 600
600
#847324
oklch(55.6% 0.099 96.8)
-
Step 700
700
#706016
oklch(49.1% 0.092 96.3)
-
Step 800
800
#5B4F16
oklch(42.8% 0.076 97)
-
Step 900
900 (this color)
#423910
oklch(34.5% 0.059 96.7)
-
Step 950
950
#2C2610
oklch(26.9% 0.037 94.5)
#423910 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) | #3F380B | 0.008 |
| Deuteranopia (no green cones) | #423B12 | 0.006 |
| Tritanopia (no blue cones) | #483430 | 0.054 |
| Achromatopsia (no color) | #393939 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423910
#423910
oklch(34.5% 0.059 96.7)
- #313658
#313658
oklch(34.5% 0.06 276.4)
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 #423910, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.030
- Pakistan Green #283618 ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.071
- Forrest Green #154406 ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Evergreen #05472A ΔE 0.073
- Pine Green #0A481E ΔE 0.074
Use #423910 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.