#66673F
Closest named color: Dark Moss Green (#606C38). oklch(50.3% 0.058 109.6), rgb(102, 103, 63).
Aa
White text reads best on this color (5.87:1).
About this color
#66673F is a medium-dark, muted yellow. In OKLCH its lightness is 50%, its chroma 0.058 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.022 away. White text reads best on it, at 5.87:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #66673F |
| RGB | rgb(102, 103, 63) |
| HSL | hsl(61, 24%, 33%) |
| OKLCH | oklch(50.3% 0.058 109.6) |
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 #66673F | 5.87:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #66673F | 3.57:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #66673F text on white | 5.87:1 | AA | Lc 79.4 | Fine for body text |
| #66673F text on black | 3.57:1 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE4
oklch(93.5% 0.008 106.6)
-
Step 200
200
#D9DACE
oklch(88.4% 0.016 110.6)
-
Step 300
300
#C1C2AE
oklch(80.8% 0.027 109.3)
-
Step 400
400
#A2A383
oklch(70.6% 0.045 109)
-
Step 500
500
#8B8D64
oklch(63.1% 0.058 110.3)
-
Step 600
600
#76774B
oklch(55.7% 0.063 109.4)
-
Step 700
700 (this color)
#66673F
oklch(50.3% 0.058 109.6)
-
Step 800
800
#515132
oklch(42.7% 0.047 108.3)
-
Step 900
900
#43432C
oklch(37.6% 0.037 108)
-
Step 950
950
#27281A
oklch(27.1% 0.025 111.3)
#66673F 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) | #6D643C | 0.013 |
| Deuteranopia (no green cones) | #6D6541 | 0.013 |
| Tritanopia (no blue cones) | #6B625D | 0.053 |
| Achromatopsia (no color) | #656565 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66673F
#66673F
oklch(50.3% 0.058 109.6)
- #635F84
#635F84
oklch(50.4% 0.058 289.1)
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 #66673F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.022
- Dark Olive Green #556B2F ΔE 0.038
- Mud #735C12 ΔE 0.045
- Greeny Brown #696006 ΔE 0.046
- Camo Green #526525 ΔE 0.046
- Muddy Green #657432 ΔE 0.047
- Dirt Brown #836539 ΔE 0.047
- Dark Taupe #7F684E ΔE 0.048
Use #66673F 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.