#66734B
Closest named color: Dark Moss Green (#606C38). oklch(53.4% 0.061 123.1), rgb(102, 115, 75).
Aa
White text reads best on this color (5.09:1).
About this color
#66734B is a medium-dark, muted yellow. In OKLCH its lightness is 53%, its chroma 0.061 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.030 away. White text reads best on it, at 5.09:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.061) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 4.11:1 |
| White text | 5.09:1 |
Values
| HEX | #66734B |
| RGB | rgb(102, 115, 75) |
| HSL | hsl(80, 21%, 37%) |
| OKLCH | oklch(53.4% 0.061 123.1) |
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 #66734B | 5.09:1 | AA | Lc -80.6 | Fine for body text |
| Black text on #66734B | 4.11:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #66734B text on white | 5.09:1 | AA | Lc 75.2 | Fine for body text |
| #66734B text on black | 4.11:1 | AA large text | Lc -26.5 | 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 600.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD0
oklch(88.5% 0.015 123.1)
-
Step 300
300
#BDC4B1
oklch(81% 0.027 123.5)
-
Step 400
400
#9BA687
oklch(70.8% 0.045 123.4)
-
Step 500
500
#838F6A
oklch(63% 0.055 122.6)
-
Step 600
600 (this color)
#66734B
oklch(53.4% 0.061 123.1)
-
Step 700
700
#5A6642
oklch(49% 0.056 123.4)
-
Step 800
800
#4A5336
oklch(42.6% 0.047 122.4)
-
Step 900
900
#3E452F
oklch(37.7% 0.037 122.5)
-
Step 950
950
#24281C
oklch(26.9% 0.022 122.9)
#66734B 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) | #786E48 | 0.029 |
| Deuteranopia (no green cones) | #766E4D | 0.028 |
| Tritanopia (no blue cones) | #696F69 | 0.050 |
| Achromatopsia (no color) | #6E6E6E | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66734B
#66734B
oklch(53.4% 0.061 123.1)
- #74648A
#74648A
oklch(53.3% 0.061 303.6)
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 #66734B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.030
- Muddy Green #657432 ΔE 0.032
- Military Green #667C3E ΔE 0.036
- Grey Brown #7F7053 ΔE 0.043
- Dark Olive Green #556B2F ΔE 0.048
- Dark Taupe #7F684E ΔE 0.050
- Dark Sage #598556 ΔE 0.052
- Brown Green #706C11 ΔE 0.052
Use #66734B 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.