#6B4F00
Closest named color: Olive Brown (#645403). oklch(44.5% 0.091 85), rgb(107, 79, 0).
Aa
White text reads best on this color (7.65:1).
About this color
#6B4F00 is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.091 and its hue 85°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.018 away. White text reads best on it, at 7.65:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #6B4F00 |
| RGB | rgb(107, 79, 0) |
| HSL | hsl(44, 100%, 21%) |
| OKLCH | oklch(44.5% 0.091 85) |
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 #6B4F00 | 7.65:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #6B4F00 | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #6B4F00 text on white | 7.65:1 | AAA | Lc 86.4 | Fine for body text |
| #6B4F00 text on black | 2.74:1 | Fails | Lc -15.7 | Dividers and decoration only |
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
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#EFE9DF
oklch(93.6% 0.015 80.7)
-
Step 200
200
#E2D8C4
oklch(88.5% 0.029 84.6)
-
Step 300
300
#D1BF9A
oklch(81% 0.054 85.1)
-
Step 400
400
#B99D61
oklch(70.8% 0.085 85.3)
-
Step 500
500
#A88430
oklch(63.2% 0.109 85)
-
Step 600
600
#926D00
oklch(55.7% 0.114 85)
-
Step 700
700
#7B5B00
oklch(49.1% 0.101 84.7)
-
Step 800
800 (this color)
#6B4F00
oklch(44.5% 0.091 85)
-
Step 900
900
#533E0A
oklch(37.7% 0.071 84.8)
-
Step 950
950
#302409
oklch(26.8% 0.045 84.7)
#6B4F00 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) | #5B4F00 | 0.029 |
| Deuteranopia (no green cones) | #625605 | 0.024 |
| Tritanopia (no blue cones) | #754642 | 0.081 |
| Achromatopsia (no color) | #535353 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4F00
#6B4F00
oklch(44.5% 0.091 85)
- #3B5286
#3B5286
oklch(44.5% 0.09 264.9)
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 #6B4F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.018
- Mud Brown #60460F ΔE 0.036
- Mud #735C12 ΔE 0.040
- Medium Brown #7F5112 ΔE 0.041
- Green Brown #544E03 ΔE 0.042
- Milk Chocolate #7F4E1E ΔE 0.045
- Greeny Brown #696006 ΔE 0.048
- Army Green #4B5D16 ΔE 0.061
Use #6B4F00 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.