#66660F
Closest named color: Mud Green (#606602). oklch(49.5% 0.102 109.6), rgb(102, 102, 15).
Aa
White text reads best on this color (6.04:1).
About this color
#66660F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.102 and its hue 110°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.012 away. White text reads best on it, at 6.04:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Mud Green (#606602) |
| Black text | 3.47:1 |
| White text | 6.04:1 |
Values
| HEX | #66660F |
| RGB | rgb(102, 102, 15) |
| HSL | hsl(60, 74%, 23%) |
| OKLCH | oklch(49.5% 0.102 109.6) |
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 #66660F | 6.04:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #66660F | 3.47:1 | AA large text | Lc 24.0 | Dividers and decoration only |
| #66660F text on white | 6.04:1 | AA | Lc 80.1 | Fine for body text |
| #66660F text on black | 3.47:1 | AA large text | Lc -21.7 | 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 700.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC7
oklch(88.5% 0.027 109.3)
-
Step 300
300
#C2C49F
oklch(80.9% 0.05 110)
-
Step 400
400
#A4A56B
oklch(70.7% 0.078 109.1)
-
Step 500
500
#8E8F41
oklch(63.2% 0.101 109.6)
-
Step 600
600
#78781D
oklch(55.6% 0.109 109.5)
-
Step 700
700 (this color)
#66660F
oklch(49.5% 0.102 109.6)
-
Step 800
800
#525210
oklch(42.5% 0.084 109.5)
-
Step 900
900
#444416
oklch(37.6% 0.066 109.2)
-
Step 950
950
#28280E
oklch(27% 0.042 108.9)
#66660F 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) | #6F6100 | 0.018 |
| Deuteranopia (no green cones) | #706417 | 0.019 |
| Tritanopia (no blue cones) | #6E5F56 | 0.091 |
| Achromatopsia (no color) | #636363 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66660F
#66660F
oklch(49.5% 0.102 109.6)
- #615697
#615697
oklch(49.3% 0.102 289.9)
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 #66660F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.012
- Greeny Brown #696006 ΔE 0.017
- Browny Green #6F6C0A ΔE 0.024
- Brown Green #706C11 ΔE 0.025
- Dark Olive Green #556B2F ΔE 0.030
- Camo Green #526525 ΔE 0.032
- Dark Moss Green #606C38 ΔE 0.033
- Mud #735C12 ΔE 0.036
Use #66660F 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.