#63540C
Closest named color: Olive Brown (#645403). oklch(44.8% 0.087 96.2), rgb(99, 84, 12).
Aa
White text reads best on this color (7.48:1).
About this color
#63540C is a dark, moderately saturated brown. In OKLCH its lightness is 45%, its chroma 0.087 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.004 away. White text reads best on it, at 7.48:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.087) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #63540C |
| RGB | rgb(99, 84, 12) |
| HSL | hsl(50, 78%, 22%) |
| OKLCH | oklch(44.8% 0.087 96.2) |
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 #63540C | 7.48:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #63540C | 2.80:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #63540C text on white | 7.48:1 | AAA | Lc 85.9 | Fine for body text |
| #63540C text on black | 2.80:1 | Fails | Lc -16.1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#ECEADF
oklch(93.6% 0.015 98.3)
-
Step 200
200
#DED9C5
oklch(88.4% 0.027 95.4)
-
Step 300
300
#CAC19C
oklch(80.9% 0.051 95.9)
-
Step 400
400
#AFA165
oklch(70.7% 0.081 96.6)
-
Step 500
500
#9C8937
oklch(63.1% 0.104 96.2)
-
Step 600
600
#877205
oklch(55.6% 0.113 96)
-
Step 700
700
#726000
oklch(49.2% 0.101 96.3)
-
Step 800
800 (this color)
#63540C
oklch(44.8% 0.087 96.2)
-
Step 900
900
#4C4110
oklch(37.6% 0.067 96.2)
-
Step 950
950
#2D260B
oklch(27% 0.043 94.8)
#63540C 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) | #5E5200 | 0.013 |
| Deuteranopia (no green cones) | #625712 | 0.008 |
| Tritanopia (no blue cones) | #6C4D47 | 0.079 |
| Achromatopsia (no color) | #555555 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63540C
#63540C
oklch(44.8% 0.087 96.2)
- #485084
#485084
oklch(44.9% 0.086 275.8)
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 #63540C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.004
- Green Brown #544E03 ΔE 0.034
- Mud #735C12 ΔE 0.038
- Greeny Brown #696006 ΔE 0.038
- Mud Brown #60460F ΔE 0.043
- Army Green #4B5D16 ΔE 0.043
- Camouflage Green #4B6113 ΔE 0.051
- Camo Green #526525 ΔE 0.052
Use #63540C 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.