#646905
Closest named color: Mud Green (#606602). oklch(50% 0.11 113), rgb(100, 105, 5).
Aa
White text reads best on this color (5.89:1).
About this color
#646905 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.110 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.011 away. White text reads best on it, at 5.89:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.56:1 |
| White text | 5.89:1 |
Values
| HEX | #646905 |
| RGB | rgb(100, 105, 5) |
| HSL | hsl(63, 91%, 22%) |
| OKLCH | oklch(50% 0.11 113) |
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 #646905 | 5.89:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #646905 | 3.56:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #646905 text on white | 5.89:1 | AA | Lc 79.3 | Fine for body text |
| #646905 text on black | 3.56:1 | AA large text | Lc -22.5 | 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
#D9DCC6
oklch(88.6% 0.03 113.3)
-
Step 300
300
#C0C59E
oklch(80.9% 0.053 113.5)
-
Step 400
400
#A1A768
oklch(70.9% 0.085 113)
-
Step 500
500
#8A903C
oklch(63.1% 0.108 112.9)
-
Step 600
600
#747A12
oklch(55.6% 0.118 113.2)
-
Step 700
700 (this color)
#646905
oklch(50% 0.11 113)
-
Step 800
800
#505409
oklch(42.8% 0.091 112.9)
-
Step 900
900
#424513
oklch(37.6% 0.07 112.6)
-
Step 950
950
#27290D
oklch(27.1% 0.045 112.7)
#646905 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) | #726300 | 0.027 |
| Deuteranopia (no green cones) | #726512 | 0.027 |
| Tritanopia (no blue cones) | #6C6258 | 0.097 |
| Achromatopsia (no color) | #646464 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646905
#646905
oklch(50% 0.11 113)
- #66559B
#66559B
oklch(49.8% 0.11 293.2)
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 #646905, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.011
- Browny Green #6F6C0A ΔE 0.021
- Brown Green #706C11 ΔE 0.023
- Greeny Brown #696006 ΔE 0.027
- Dark Olive Green #556B2F ΔE 0.031
- Camo Green #526525 ΔE 0.035
- Dark Moss Green #606C38 ΔE 0.036
- Muddy Green #657432 ΔE 0.038
Use #646905 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.