#66700B
Closest named color: Browny Green (#6F6C0A). oklch(51.9% 0.115 115.9), rgb(102, 112, 11).
Aa
White text reads best on this color (5.40:1).
About this color
#66700B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 52%, its chroma 0.115 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Browny Green (#6F6C0A), ΔE 0.017 away. White text reads best on it, at 5.40:1.
| Hue family | Yellows |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Browny Green (#6F6C0A) |
| Black text | 3.88:1 |
| White text | 5.40:1 |
Values
| HEX | #66700B |
| RGB | rgb(102, 112, 11) |
| HSL | hsl(66, 82%, 24%) |
| OKLCH | oklch(51.9% 0.115 115.9) |
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 #66700B | 5.40:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #66700B | 3.88:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #66700B text on white | 5.40:1 | AA | Lc 76.8 | Fine for body text |
| #66700B text on black | 3.88:1 | AA large text | Lc -25.0 | 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 700.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D8DCC5
oklch(88.5% 0.031 115)
-
Step 300
300
#BEC69D
oklch(81% 0.056 116.6)
-
Step 400
400
#9EA866
oklch(70.8% 0.089 115.8)
-
Step 500
500
#869239
oklch(63.2% 0.114 116.2)
-
Step 600
600
#707B0C
oklch(55.5% 0.123 115.9)
-
Step 700
700 (this color)
#66700B
oklch(51.9% 0.115 115.9)
-
Step 800
800
#4D5505
oklch(42.8% 0.095 115.9)
-
Step 900
900
#404611
oklch(37.7% 0.074 115.6)
-
Step 950
950
#25290C
oklch(26.9% 0.047 116.2)
#66700B 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) | #796A00 | 0.032 |
| Deuteranopia (no green cones) | #786B17 | 0.033 |
| Tritanopia (no blue cones) | #6D695F | 0.101 |
| Achromatopsia (no color) | #6A6A6A | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #66700B
#66700B
oklch(51.9% 0.115 115.9)
- #6F59A3
#6F59A3
oklch(51.9% 0.115 295.8)
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 #66700B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Browny Green #6F6C0A ΔE 0.017
- Brown Green #706C11 ΔE 0.020
- Muddy Green #657432 ΔE 0.026
- Olive Green #677A04 ΔE 0.030
- Murky Green #6C7A0E ΔE 0.031
- Mud Green #606602 ΔE 0.031
- Dark Olive Green #556B2F ΔE 0.039
- Dark Moss Green #606C38 ΔE 0.040
Use #66700B 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.