#42450D
Closest named color: Dark Olive (#373E02). oklch(37.6% 0.075 112.6), rgb(66, 69, 13).
Aa
White text reads best on this color (10.05:1).
About this color
#42450D is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.075 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.031 away. White text reads best on it, at 10.05:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Olive (#373E02) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #42450D |
| RGB | rgb(66, 69, 13) |
| HSL | hsl(63, 68%, 16%) |
| OKLCH | oklch(37.6% 0.075 112.6) |
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 #42450D | 10.05:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #42450D | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #42450D text on white | 10.05:1 | AAA | Lc 93.3 | Preferred for body text |
| #42450D text on black | 2.08:1 | Fails | Lc -9.2 | 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
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#D9DCC4
oklch(88.6% 0.032 112.8)
-
Step 300
300
#C1C59B
oklch(80.9% 0.057 112.1)
-
Step 400
400
#A1A763
oklch(70.8% 0.091 112.8)
-
Step 500
500
#8B9034
oklch(63.1% 0.115 112.2)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900 (this color)
#42450D
oklch(37.6% 0.075 112.6)
-
Step 950
950
#27290A
oklch(27.1% 0.048 112.7)
#42450D 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) | #4B4104 | 0.018 |
| Deuteranopia (no green cones) | #4B4311 | 0.018 |
| Tritanopia (no blue cones) | #47403A | 0.067 |
| Achromatopsia (no color) | #424242 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42450D
#42450D
oklch(37.6% 0.075 112.6)
- #433965
#433965
oklch(37.6% 0.074 292.9)
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 #42450D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.031
- Green Brown #544E03 ΔE 0.044
- Navy Green #35530A ΔE 0.048
- Mud Brown #60460F ΔE 0.055
- Pine Green #0A481E ΔE 0.059
- Forrest Green #154406 ΔE 0.060
- Evergreen #05472A ΔE 0.064
- British Racing Green #05480D ΔE 0.065
Use #42450D 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.