#66680F
Closest named color: Mud Green (#606602). oklch(49.9% 0.104 111), rgb(102, 104, 15).
Aa
White text reads best on this color (5.91:1).
About this color
#66680F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.104 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.013 away. White text reads best on it, at 5.91:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.55:1 |
| White text | 5.91:1 |
Values
| HEX | #66680F |
| RGB | rgb(102, 104, 15) |
| HSL | hsl(61, 75%, 23%) |
| OKLCH | oklch(49.9% 0.104 111) |
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 #66680F | 5.91:1 | AA | Lc -84.7 | Fine for body text |
| Black text on #66680F | 3.55:1 | AA large text | Lc 24.6 | Dividers and decoration only |
| #66680F text on white | 5.91:1 | AA | Lc 79.5 | Fine for body text |
| #66680F text on black | 3.55:1 | AA large text | Lc -22.4 | 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
#D9DBC6
oklch(88.4% 0.028 111.4)
-
Step 300
300
#C1C49F
oklch(80.8% 0.05 111.3)
-
Step 400
400
#A2A66A
oklch(70.7% 0.081 111.5)
-
Step 500
500
#8C8F40
oklch(63.1% 0.103 111)
-
Step 600
600
#76791B
oklch(55.6% 0.112 111.4)
-
Step 700
700 (this color)
#66680F
oklch(49.9% 0.104 111)
-
Step 800
800
#51530F
oklch(42.7% 0.086 111.3)
-
Step 900
900
#434516
oklch(37.8% 0.067 111.5)
-
Step 950
950
#27280E
oklch(26.9% 0.042 110.9)
#66680F 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) | #716300 | 0.021 |
| Deuteranopia (no green cones) | #726518 | 0.023 |
| Tritanopia (no blue cones) | #6E6158 | 0.093 |
| Achromatopsia (no color) | #646464 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66680F
#66680F
oklch(49.9% 0.104 111)
- #645799
#645799
oklch(49.9% 0.103 291.2)
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 #66680F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.013
- Browny Green #6F6C0A ΔE 0.019
- Brown Green #706C11 ΔE 0.021
- Greeny Brown #696006 ΔE 0.023
- Dark Olive Green #556B2F ΔE 0.030
- Dark Moss Green #606C38 ΔE 0.032
- Camo Green #526525 ΔE 0.034
- Muddy Green #657432 ΔE 0.037
Use #66680F 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.