#423A00
Closest named color: Dark Olive (#373E02). oklch(34.6% 0.072 100.7), rgb(66, 58, 0).
Aa
White text reads best on this color (11.43:1).
About this color
#423A00 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.072 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 11.43:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.83:1 |
| White text | 11.43:1 |
Values
| HEX | #423A00 |
| RGB | rgb(66, 58, 0) |
| HSL | hsl(53, 100%, 13%) |
| OKLCH | oklch(34.6% 0.072 100.7) |
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 #423A00 | 11.43:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #423A00 | 1.83:1 | Fails | Lc 7.7 | Not readable |
| #423A00 text on white | 11.43:1 | AAA | Lc 96.2 | Preferred for body text |
| #423A00 text on black | 1.83:1 | 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
#DDDAC4
oklch(88.5% 0.03 100.6)
-
Step 300
300
#C8C29A
oklch(80.9% 0.054 100.4)
-
Step 400
400
#ACA261
oklch(70.6% 0.086 100.6)
-
Step 500
500
#988B30
oklch(63.1% 0.111 101.1)
-
Step 600
600
#837400
oklch(55.6% 0.116 100.3)
-
Step 700
700
#6E6100
oklch(49% 0.102 100.2)
-
Step 800
800
#5A5000
oklch(42.8% 0.089 101.1)
-
Step 900
900 (this color)
#423A00
oklch(34.6% 0.072 100.7)
-
Step 950
950
#2B2709
oklch(27% 0.046 101.7)
#423A00 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) | #413800 | 0.007 |
| Deuteranopia (no green cones) | #433B04 | 0.005 |
| Tritanopia (no blue cones) | #483530 | 0.066 |
| Achromatopsia (no color) | #3A3A3A | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423A00
#423A00
oklch(34.6% 0.072 100.7)
- #33345E
#33345E
oklch(34.6% 0.073 280.9)
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 #423A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.022
- Pakistan Green #283618 ΔE 0.050
- Forrest Green #154406 ΔE 0.065
- Hunter Green #0B4008 ΔE 0.070
- Pine Green #0A481E ΔE 0.070
- Mud Brown #60460F ΔE 0.071
- Green Brown #544E03 ΔE 0.072
- Evergreen #05472A ΔE 0.073
Use #423A00 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.