#646833
Closest named color: Dark Moss Green (#606C38). oklch(50.1% 0.075 112.6), rgb(100, 104, 51).
Aa
White text reads best on this color (5.88:1).
About this color
#646833 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.075 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.012 away. White text reads best on it, at 5.88:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.075) |
| Temperature | in between |
| Nearest name | Dark Moss Green (#606C38) |
| Black text | 3.56:1 |
| White text | 5.88:1 |
Values
| HEX | #646833 |
| RGB | rgb(100, 104, 51) |
| HSL | hsl(65, 34%, 30%) |
| OKLCH | oklch(50.1% 0.075 112.6) |
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 #646833 | 5.88:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #646833 | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #646833 text on white | 5.88:1 | AA | Lc 79.4 | Fine for body text |
| #646833 text on black | 3.56:1 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#EAEBE3
oklch(93.7% 0.011 112.4)
-
Step 200
200
#D9DBCC
oklch(88.6% 0.02 113)
-
Step 300
300
#C0C3A9
oklch(80.8% 0.036 112.5)
-
Step 400
400
#A1A57B
oklch(70.8% 0.058 112.3)
-
Step 500
500
#8A8E59
oklch(63% 0.074 112)
-
Step 600
600
#74783E
oklch(55.6% 0.08 112.2)
-
Step 700
700 (this color)
#646833
oklch(50.1% 0.075 112.6)
-
Step 800
800
#4F5329
oklch(42.8% 0.062 113.5)
-
Step 900
900
#424425
oklch(37.6% 0.048 111.7)
-
Step 950
950
#262816
oklch(26.9% 0.031 113.7)
#646833 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) | #6F642E | 0.019 |
| Deuteranopia (no green cones) | #6F6536 | 0.020 |
| Tritanopia (no blue cones) | #6A635C | 0.066 |
| Achromatopsia (no color) | #646464 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646833
#646833
oklch(50.1% 0.075 112.6)
- #655B8B
#655B8B
oklch(50.1% 0.076 293)
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 #646833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Moss Green #606C38 ΔE 0.012
- Dark Olive Green #556B2F ΔE 0.025
- Greeny Brown #696006 ΔE 0.034
- Camo Green #526525 ΔE 0.034
- Brown Green #706C11 ΔE 0.036
- Mud Green #606602 ΔE 0.036
- Muddy Green #657432 ΔE 0.037
- Browny Green #6F6C0A ΔE 0.038
Use #646833 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.