#64664D
Closest named color: Dark Moss Green (#606C38). oklch(50.1% 0.038 111.5), rgb(100, 102, 77).
Aa
White text reads best on this color (5.91:1).
About this color
#64664D is a medium-dark, muted yellow. In OKLCH its lightness is 50%, its chroma 0.038 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.040 away. White text reads best on it, at 5.91:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.54:1 |
| White text | 5.91:1 |
Values
| HEX | #64664D |
| RGB | rgb(100, 102, 77) |
| HSL | hsl(65, 14%, 35%) |
| OKLCH | oklch(50.1% 0.038 111.5) |
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 #64664D | 5.91:1 | AA | Lc -84.8 | Fine for body text |
| Black text on #64664D | 3.54:1 | AA large text | Lc 24.5 | Dividers and decoration only |
| #64664D text on white | 5.91:1 | AA | Lc 79.6 | Fine for body text |
| #64664D text on black | 3.54:1 | AA large text | Lc -22.2 | 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
#F5F6F4
oklch(97.2% 0.003 128.5)
-
Step 100
100
#EAEAE6
oklch(93.6% 0.005 106.5)
-
Step 200
200
#D9DAD2
oklch(88.5% 0.011 112.4)
-
Step 300
300
#C1C2B5
oklch(81% 0.018 110.4)
-
Step 400
400
#A1A38E
oklch(70.8% 0.03 111.6)
-
Step 500
500
#8A8C72
oklch(63.1% 0.038 111)
-
Step 600
600
#74765A
oklch(55.6% 0.041 111.1)
-
Step 700
700 (this color)
#64664D
oklch(50.1% 0.038 111.5)
-
Step 800
800
#4F513D
oklch(42.7% 0.032 112.4)
-
Step 900
900
#424334
oklch(37.7% 0.025 110.7)
-
Step 950
950
#27271F
oklch(27% 0.014 107.3)
#64664D 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) | #6A644B | 0.010 |
| Deuteranopia (no green cones) | #6A644E | 0.011 |
| Tritanopia (no blue cones) | #67635F | 0.033 |
| Achromatopsia (no color) | #646464 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64664D
#64664D
oklch(50.1% 0.038 111.5)
- #636078
#636078
oklch(50.1% 0.038 290.7)
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 #64664D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.040
- Dim Gray #696969 ΔE 0.043
- Dark Taupe #7F684E ΔE 0.045
- Dirt Brown #836539 ΔE 0.053
- Dark Olive Green #556B2F ΔE 0.054
- Grey Brown #7F7053 ΔE 0.055
- Cocoa #875F42 ΔE 0.058
- Mud #735C12 ΔE 0.060
Use #64664D 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.