#666456
Closest named color: Dim Gray (#696969). oklch(50.1% 0.022 100.4), rgb(102, 100, 86).
Aa
White text reads best on this color (5.96:1).
About this color
#666456 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.029 away. White text reads best on it, at 5.96:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.52:1 |
| White text | 5.96:1 |
Values
| HEX | #666456 |
| RGB | rgb(102, 100, 86) |
| HSL | hsl(52, 9%, 37%) |
| OKLCH | oklch(50.1% 0.022 100.4) |
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 #666456 | 5.96:1 | AA | Lc -85.0 | Fine for body text |
| Black text on #666456 | 3.52:1 | AA large text | Lc 24.2 | Dividers and decoration only |
| #666456 text on white | 5.96:1 | AA | Lc 79.8 | Fine for body text |
| #666456 text on black | 3.52:1 | AA large text | Lc -22.0 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#DAD9D5
oklch(88.5% 0.006 95.1)
-
Step 300
300
#C2C1B9
oklch(80.9% 0.011 100.9)
-
Step 400
400
#A3A195
oklch(70.7% 0.017 99.1)
-
Step 500
500
#8C8A7B
oklch(63.1% 0.022 100.8)
-
Step 600
600
#767464
oklch(55.6% 0.024 101.3)
-
Step 700
700 (this color)
#666456
oklch(50.1% 0.022 100.4)
-
Step 800
800
#514F44
oklch(42.6% 0.018 98.6)
-
Step 900
900
#434239
oklch(37.7% 0.015 101.9)
-
Step 950
950
#272722
oklch(27.1% 0.009 107)
#666456 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) | #676355 | 0.003 |
| Deuteranopia (no green cones) | #686456 | 0.003 |
| Tritanopia (no blue cones) | #696260 | 0.019 |
| Achromatopsia (no color) | #646464 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #666456
#666456
oklch(50.1% 0.022 100.4)
- #616270
#616270
oklch(50% 0.022 282.3)
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 #666456, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.029
- Dark Taupe #7F684E ΔE 0.045
- Slate #516572 ΔE 0.050
- Dark Moss Green #606C38 ΔE 0.057
- Grey Brown #7F7053 ΔE 0.057
- Cocoa #875F42 ΔE 0.057
- Dirt Brown #836539 ΔE 0.059
- Dull Brown #876E4B ΔE 0.067
Use #666456 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.