#423904
Closest named color: Dark Olive (#373E02). oklch(34.4% 0.068 98.8), rgb(66, 57, 4).
Aa
White text reads best on this color (11.54:1).
About this color
#423904 is a dark, muted brown. In OKLCH its lightness is 34%, its chroma 0.068 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.025 away. White text reads best on it, at 11.54:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.81:1 |
| White text | 11.54:1 |
Values
| HEX | #423904 |
| RGB | rgb(66, 57, 4) |
| HSL | hsl(51, 89%, 14%) |
| OKLCH | oklch(34.4% 0.068 98.8) |
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 #423904 | 11.54:1 | AAA | Lc -100.2 | Preferred for body text |
| Black text on #423904 | 1.81:1 | Fails | Lc 7.4 | Not readable |
| #423904 text on white | 11.54:1 | AAA | Lc 96.5 | Preferred for body text |
| #423904 text on black | 1.81:1 | 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
#DDDAC5
oklch(88.5% 0.028 100.3)
-
Step 300
300
#C9C29C
oklch(81% 0.052 98.7)
-
Step 400
400
#ADA265
oklch(70.7% 0.082 99.3)
-
Step 500
500
#9A8A37
oklch(63.1% 0.105 98.4)
-
Step 600
600
#847305
oklch(55.5% 0.113 98.8)
-
Step 700
700
#706100
oklch(49.2% 0.102 98.7)
-
Step 800
800
#5B4F02
oklch(42.7% 0.087 99)
-
Step 900
900 (this color)
#423904
oklch(34.4% 0.068 98.8)
-
Step 950
950
#2C270B
oklch(27.1% 0.044 99.2)
#423904 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) | #403700 | 0.008 |
| Deuteranopia (no green cones) | #423A08 | 0.004 |
| Tritanopia (no blue cones) | #48342F | 0.062 |
| Achromatopsia (no color) | #393939 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423904
#423904
oklch(34.4% 0.068 98.8)
- #31345C
#31345C
oklch(34.3% 0.07 278.8)
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 #423904, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.025
- Pakistan Green #283618 ΔE 0.048
- Forrest Green #154406 ΔE 0.068
- Hunter Green #0B4008 ΔE 0.071
- Pine Green #0A481E ΔE 0.072
- Mud Brown #60460F ΔE 0.072
- Evergreen #05472A ΔE 0.074
- Green Brown #544E03 ΔE 0.075
Use #423904 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.