#646F26
Closest named color: Muddy Green (#657432). oklch(51.7% 0.098 117.2), rgb(100, 111, 38).
Aa
White text reads best on this color (5.46:1).
About this color
#646F26 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 52%, its chroma 0.098 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.016 away. White text reads best on it, at 5.46:1.
| Hue family | Yellows |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.098) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 3.84:1 |
| White text | 5.46:1 |
Values
| HEX | #646F26 |
| RGB | rgb(100, 111, 38) |
| HSL | hsl(69, 49%, 29%) |
| OKLCH | oklch(51.7% 0.098 117.2) |
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 #646F26 | 5.46:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #646F26 | 3.84:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #646F26 text on white | 5.46:1 | AA | Lc 77.2 | Fine for body text |
| #646F26 text on black | 3.84:1 | AA large text | Lc -24.6 | 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
#E9EBE1
oklch(93.6% 0.013 115.8)
-
Step 200
200
#D7DCC8
oklch(88.5% 0.027 118.4)
-
Step 300
300
#BEC5A3
oklch(80.9% 0.047 116.9)
-
Step 400
400
#9DA771
oklch(70.7% 0.075 116.9)
-
Step 500
500
#85914A
oklch(63.1% 0.096 117.2)
-
Step 600
600
#6F7B2B
oklch(55.6% 0.105 117.2)
-
Step 700
700 (this color)
#646F26
oklch(51.7% 0.098 117.2)
-
Step 800
800
#4C541B
oklch(42.6% 0.08 116.7)
-
Step 900
900
#3F461C
oklch(37.7% 0.063 117.4)
-
Step 950
950
#252911
oklch(27% 0.04 117)
#646F26 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) | #76691D | 0.030 |
| Deuteranopia (no green cones) | #756A2B | 0.031 |
| Tritanopia (no blue cones) | #6A6960 | 0.084 |
| Achromatopsia (no color) | #696969 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #646F26
#646F26
oklch(51.7% 0.098 117.2)
- #6E5B99
#6E5B99
oklch(51.6% 0.098 297)
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 #646F26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.016
- Brown Green #706C11 ΔE 0.020
- Browny Green #6F6C0A ΔE 0.020
- Dark Moss Green #606C38 ΔE 0.023
- Dark Olive Green #556B2F ΔE 0.027
- Mud Green #606602 ΔE 0.031
- Military Green #667C3E ΔE 0.040
- Murky Green #6C7A0E ΔE 0.041
Use #646F26 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.