#63691C
Closest named color: Mud Green (#606602). oklch(50% 0.098 113.8), rgb(99, 105, 28).
Aa
White text reads best on this color (5.88:1).
About this color
#63691C is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.098 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.016 away. White text reads best on it, at 5.88:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #63691C |
| RGB | rgb(99, 105, 28) |
| HSL | hsl(65, 58%, 26%) |
| OKLCH | oklch(50% 0.098 113.8) |
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 #63691C | 5.88:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #63691C | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #63691C text on white | 5.88:1 | AA | Lc 79.4 | Fine for body text |
| #63691C text on black | 3.56:1 | AA large text | Lc -22.5 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE1
oklch(93.6% 0.013 115.8)
-
Step 200
200
#D8DBC8
oklch(88.4% 0.026 114.2)
-
Step 300
300
#C0C5A2
oklch(81% 0.048 114.1)
-
Step 400
400
#A0A66F
oklch(70.7% 0.075 113.4)
-
Step 500
500
#899047
oklch(63.1% 0.097 113.7)
-
Step 600
600
#737A27
oklch(55.7% 0.106 114)
-
Step 700
700 (this color)
#63691C
oklch(50% 0.098 113.8)
-
Step 800
800
#4F5418
oklch(42.8% 0.081 113.9)
-
Step 900
900
#41451A
oklch(37.6% 0.064 113.9)
-
Step 950
950
#262910
oklch(27.1% 0.041 114.9)
#63691C 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) | #71640F | 0.024 |
| Deuteranopia (no green cones) | #716522 | 0.027 |
| Tritanopia (no blue cones) | #6A625A | 0.088 |
| Achromatopsia (no color) | #646464 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63691C
#63691C
oklch(50% 0.098 113.8)
- #665796
#665796
oklch(49.9% 0.099 293.4)
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 #63691C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.016
- Dark Olive Green #556B2F ΔE 0.023
- Browny Green #6F6C0A ΔE 0.023
- Brown Green #706C11 ΔE 0.023
- Dark Moss Green #606C38 ΔE 0.025
- Greeny Brown #696006 ΔE 0.026
- Camo Green #526525 ΔE 0.030
- Muddy Green #657432 ΔE 0.034
Use #63691C 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.