#42511A
Closest named color: Navy Green (#35530A). oklch(40.9% 0.081 122.9), rgb(66, 81, 26).
Aa
White text reads best on this color (8.66:1).
About this color
#42511A is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.081 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.025 away. White text reads best on it, at 8.66:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.081) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.42:1 |
| White text | 8.66:1 |
Values
| HEX | #42511A |
| RGB | rgb(66, 81, 26) |
| HSL | hsl(76, 51%, 21%) |
| OKLCH | oklch(40.9% 0.081 122.9) |
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 #42511A | 8.66:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #42511A | 2.42:1 | Fails | Lc 14.3 | Not readable |
| #42511A text on white | 8.66:1 | AAA | Lc 89.7 | Fine for body text |
| #42511A text on black | 2.42:1 | Fails | Lc -12.6 | 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 800.
-
Step 50
50
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCCA
oklch(88.5% 0.025 122)
-
Step 300
300
#BBC6A5
oklch(80.9% 0.047 122.4)
-
Step 400
400
#98A974
oklch(70.8% 0.076 122.8)
-
Step 500
500
#7E934F
oklch(63.1% 0.096 123.2)
-
Step 600
600
#687D31
oklch(55.6% 0.105 122.8)
-
Step 700
700
#566924
oklch(49% 0.097 123.1)
-
Step 800
800 (this color)
#42511A
oklch(40.9% 0.081 122.9)
-
Step 900
900
#3B471F
oklch(37.7% 0.063 123.2)
-
Step 950
950
#232A13
oklch(27.1% 0.04 123)
#42511A 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) | #564C13 | 0.033 |
| Deuteranopia (no green cones) | #544B1E | 0.035 |
| Tritanopia (no blue cones) | #454D45 | 0.066 |
| Achromatopsia (no color) | #4B4B4B | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42511A
#42511A
oklch(40.9% 0.081 122.9)
- #533E6E
#533E6E
oklch(40.8% 0.082 303.1)
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 #42511A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.025
- Green Brown #544E03 ΔE 0.029
- Army Green #4B5D16 ΔE 0.042
- Pine #2B5D34 ΔE 0.043
- Camouflage Green #4B6113 ΔE 0.055
- Mud Brown #60460F ΔE 0.056
- Olive Brown #645403 ΔE 0.057
- Spruce #0A5F38 ΔE 0.058
Use #42511A 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.