#66693C
Closest named color: Dark Moss Green (#606C38). oklch(50.7% 0.065 111.8), rgb(102, 105, 60).
Aa
White text reads best on this color (5.75:1).
About this color
#66693C is a medium-dark, muted yellow. In OKLCH its lightness is 51%, its chroma 0.065 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.015 away. White text reads best on it, at 5.75:1.
| Hue family | Yellows |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.65:1 |
| White text | 5.75:1 |
Values
| HEX | #66693C |
| RGB | rgb(102, 105, 60) |
| HSL | hsl(64, 27%, 32%) |
| OKLCH | oklch(50.7% 0.065 111.8) |
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 #66693C | 5.75:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #66693C | 3.65:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #66693C text on white | 5.75:1 | AA | Lc 78.8 | Fine for body text |
| #66693C text on black | 3.65:1 | AA large text | Lc -23.0 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#D9DACD
oklch(88.4% 0.018 110.3)
-
Step 300
300
#C1C3AC
oklch(80.9% 0.032 111.1)
-
Step 400
400
#A1A480
oklch(70.7% 0.05 111.6)
-
Step 500
500
#8A8E60
oklch(63.2% 0.065 112.3)
-
Step 600
600
#747846
oklch(55.7% 0.071 112.4)
-
Step 700
700 (this color)
#66693C
oklch(50.7% 0.065 111.8)
-
Step 800
800
#50522E
oklch(42.7% 0.054 111.2)
-
Step 900
900
#424429
oklch(37.7% 0.043 111.9)
-
Step 950
950
#272819
oklch(27.1% 0.026 111.2)
#66693C 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) | #6F6538 | 0.017 |
| Deuteranopia (no green cones) | #6F673E | 0.016 |
| Tritanopia (no blue cones) | #6B645E | 0.057 |
| Achromatopsia (no color) | #666666 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66693C
#66693C
oklch(50.7% 0.065 111.8)
- #665E88
#665E88
oklch(50.6% 0.066 292.6)
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 #66693C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.015
- Dark Olive Green #556B2F ΔE 0.033
- Muddy Green #657432 ΔE 0.039
- Brown Green #706C11 ΔE 0.042
- Greeny Brown #696006 ΔE 0.044
- Camo Green #526525 ΔE 0.044
- Browny Green #6F6C0A ΔE 0.045
- Mud #735C12 ΔE 0.045
Use #66693C 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.