#73631B
Closest named color: Mud (#735C12). oklch(50.1% 0.091 96.2), rgb(115, 99, 27).
Aa
White text reads best on this color (5.94:1).
About this color
#73631B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.091 and its hue 96°. Its hue sits on the warm side of the wheel. The nearest named color is Mud (#735C12), ΔE 0.019 away. White text reads best on it, at 5.94:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.091) |
| Temperature | warm |
| Nearest name | Mud (#735C12) |
| Black text | 3.52:1 |
| White text | 5.94:1 |
Values
| HEX | #73631B |
| RGB | rgb(115, 99, 27) |
| HSL | hsl(49, 62%, 28%) |
| OKLCH | oklch(50.1% 0.091 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 #73631B | 5.94:1 | AA | Lc -84.9 | Fine for body text |
| Black text on #73631B | 3.52:1 | AA large text | Lc 24.4 | Dividers and decoration only |
| #73631B text on white | 5.94:1 | AA | Lc 79.6 | Fine for body text |
| #73631B text on black | 3.52:1 | AA large text | Lc -22.2 | 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 700.
-
Step 50
50
#F6F5F1
oklch(97% 0.005 95.1)
-
Step 100
100
#ECEAE1
oklch(93.6% 0.012 96.4)
-
Step 200
200
#DED9C8
oklch(88.5% 0.024 93.4)
-
Step 300
300
#C9C1A1
oklch(80.9% 0.044 95.6)
-
Step 400
400
#ADA16E
oklch(70.7% 0.07 96.5)
-
Step 500
500
#998946
oklch(63% 0.09 96.2)
-
Step 600
600
#847325
oklch(55.6% 0.098 96.7)
-
Step 700
700 (this color)
#73631B
oklch(50.1% 0.091 96.2)
-
Step 800
800
#5B4F16
oklch(42.8% 0.076 97)
-
Step 900
900
#4B411A
oklch(37.6% 0.058 95.1)
-
Step 950
950
#2C2610
oklch(26.9% 0.037 94.5)
#73631B 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) | #6E610F | 0.013 |
| Deuteranopia (no green cones) | #72661F | 0.008 |
| Tritanopia (no blue cones) | #7D5B55 | 0.084 |
| Achromatopsia (no color) | #646464 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73631B
#73631B
oklch(50.1% 0.091 96.2)
- #565E97
#565E97
oklch(50.1% 0.091 276.5)
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 #73631B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud #735C12 ΔE 0.019
- Greeny Brown #696006 ΔE 0.023
- Brown Green #706C11 ΔE 0.029
- Browny Green #6F6C0A ΔE 0.031
- Mud Green #606602 ΔE 0.037
- Dark Moss Green #606C38 ΔE 0.038
- Muddy Brown #886806 ΔE 0.041
- Dirt Brown #836539 ΔE 0.043
Use #73631B 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.