#66751F
Closest named color: Muddy Green (#657432). oklch(53.3% 0.11 118.9), rgb(102, 117, 31).
Aa
White text reads best on this color (5.08:1).
About this color
#66751F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.110 and its hue 119°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.018 away. White text reads best on it, at 5.08:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.12:1 |
| White text | 5.08:1 |
Values
| HEX | #66751F |
| RGB | rgb(102, 117, 31) |
| HSL | hsl(70, 58%, 29%) |
| OKLCH | oklch(53.3% 0.11 118.9) |
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 #66751F | 5.08:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #66751F | 4.12:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #66751F text on white | 5.08:1 | AA | Lc 75.0 | Fine for body text |
| #66751F text on black | 4.12:1 | AA large text | Lc -26.7 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE1
oklch(93.5% 0.014 120.3)
-
Step 200
200
#D7DCC8
oklch(88.5% 0.027 118.4)
-
Step 300
300
#BDC6A2
oklch(81% 0.05 118.9)
-
Step 400
400
#9BA86F
oklch(70.7% 0.079 118.9)
-
Step 500
500
#839248
oklch(63.1% 0.101 118.8)
-
Step 600
600 (this color)
#66751F
oklch(53.3% 0.11 118.9)
-
Step 700
700
#5B6819
oklch(49% 0.102 118.5)
-
Step 800
800
#4A5518
oklch(42.6% 0.085 118.9)
-
Step 900
900
#3E461B
oklch(37.6% 0.065 118.4)
-
Step 950
950
#242911
oklch(26.9% 0.041 118.9)
#66751F 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) | #7D6E10 | 0.037 |
| Deuteranopia (no green cones) | #7B6F26 | 0.038 |
| Tritanopia (no blue cones) | #6C6E64 | 0.095 |
| Achromatopsia (no color) | #6E6E6E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66751F
#66751F
oklch(53.3% 0.11 118.9)
- #765DA3
#765DA3
oklch(53.3% 0.11 299.1)
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 #66751F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.018
- Murky Green #6C7A0E ΔE 0.021
- Olive Green #677A04 ΔE 0.022
- Browny Green #6F6C0A ΔE 0.026
- Brown Green #706C11 ΔE 0.027
- Military Green #667C3E ΔE 0.030
- Dark Moss Green #606C38 ΔE 0.042
- Swamp #698339 ΔE 0.042
Use #66751F 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.