#66744B
Closest named color: Muddy Green (#657432). oklch(53.6% 0.063 123.8), rgb(102, 116, 75).
Aa
White text reads best on this color (5.04:1).
About this color
#66744B is a medium-dark, muted yellow. In OKLCH its lightness is 54%, its chroma 0.063 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.031 away. White text reads best on it, at 5.04:1.
| Hue family | Yellows |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.16:1 |
| White text | 5.04:1 |
Values
| HEX | #66744B |
| RGB | rgb(102, 116, 75) |
| HSL | hsl(80, 21%, 37%) |
| OKLCH | oklch(53.6% 0.063 123.8) |
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 #66744B | 5.04:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #66744B | 4.16:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #66744B text on white | 5.04:1 | AA | Lc 74.8 | Content text, not long reading |
| #66744B text on black | 4.16:1 | AA large text | Lc -26.9 | 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
#BDC4B0
oklch(80.9% 0.029 122.8)
-
Step 400
400
#9BA687
oklch(70.8% 0.045 123.4)
-
Step 500
500
#829069
oklch(63.2% 0.058 124.1)
-
Step 600
600 (this color)
#66744B
oklch(53.6% 0.063 123.8)
-
Step 700
700
#5A6641
oklch(49% 0.058 123.1)
-
Step 800
800
#495436
oklch(42.8% 0.049 124.8)
-
Step 900
900
#3D452F
oklch(37.6% 0.037 124.4)
-
Step 950
950
#24291C
oklch(27.2% 0.024 125.1)
#66744B 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) | #796F48 | 0.030 |
| Deuteranopia (no green cones) | #776F4D | 0.030 |
| Tritanopia (no blue cones) | #69706A | 0.052 |
| Achromatopsia (no color) | #6F6F6F | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66744B
#66744B
oklch(53.6% 0.063 123.8)
- #75658C
#75658C
oklch(53.7% 0.063 303.1)
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 #66744B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.031
- Dark Moss Green #606C38 ΔE 0.032
- Military Green #667C3E ΔE 0.033
- Grey Brown #7F7053 ΔE 0.043
- Dark Sage #598556 ΔE 0.049
- Dark Olive Green #556B2F ΔE 0.049
- Brown Green #706C11 ΔE 0.052
- Dark Taupe #7F684E ΔE 0.052
Use #66744B 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.