#66730F
Closest named color: Olive Green (#677A04). oklch(52.7% 0.117 117.5), rgb(102, 115, 15).
Aa
White text reads best on this color (5.21:1).
About this color
#66730F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.117 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.022 away. White text reads best on it, at 5.21:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.02:1 |
| White text | 5.21:1 |
Values
| HEX | #66730F |
| RGB | rgb(102, 115, 15) |
| HSL | hsl(68, 77%, 25%) |
| OKLCH | oklch(52.7% 0.117 117.5) |
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 #66730F | 5.21:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #66730F | 4.02:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #66730F text on white | 5.21:1 | AA | Lc 75.8 | Fine for body text |
| #66730F text on black | 4.02:1 | AA large text | Lc -26.0 | 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 600.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE0
oklch(93.6% 0.015 115)
-
Step 200
200
#D7DCC7
oklch(88.5% 0.029 117.9)
-
Step 300
300
#BDC6A0
oklch(81% 0.053 118.4)
-
Step 400
400
#9CA86B
oklch(70.7% 0.084 117.7)
-
Step 500
500
#849241
oklch(63.1% 0.108 117.8)
-
Step 600
600 (this color)
#66730F
oklch(52.7% 0.117 117.5)
-
Step 700
700
#5C680D
oklch(49% 0.108 117.6)
-
Step 800
800
#4B5510
oklch(42.7% 0.09 117.7)
-
Step 900
900
#3F4616
oklch(37.6% 0.07 116.9)
-
Step 950
950
#25290E
oklch(27% 0.044 116.5)
#66730F 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) | #7B6C00 | 0.036 |
| Deuteranopia (no green cones) | #7A6D1A | 0.037 |
| Tritanopia (no blue cones) | #6D6C61 | 0.100 |
| Achromatopsia (no color) | #6C6C6C | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66730F
#66730F
oklch(52.7% 0.117 117.5)
- #735AA5
#735AA5
oklch(52.6% 0.117 297.6)
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 #66730F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.022
- Browny Green #6F6C0A ΔE 0.023
- Murky Green #6C7A0E ΔE 0.023
- Brown Green #706C11 ΔE 0.025
- Muddy Green #657432 ΔE 0.025
- Military Green #667C3E ΔE 0.040
- Mud Green #606602 ΔE 0.040
- Dark Olive Green #556B2F ΔE 0.044
Use #66730F 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.