#647240
Closest named color: Muddy Green (#657432). oklch(52.8% 0.074 121.8), rgb(100, 114, 64).
Aa
White text reads best on this color (5.22:1).
About this color
#647240 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.074 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.019 away. White text reads best on it, at 5.22:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.02:1 |
| White text | 5.22:1 |
Values
| HEX | #647240 |
| RGB | rgb(100, 114, 64) |
| HSL | hsl(77, 28%, 35%) |
| OKLCH | oklch(52.8% 0.074 121.8) |
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 #647240 | 5.22:1 | AA | Lc -81.2 | Fine for body text |
| Black text on #647240 | 4.02:1 | AA large text | Lc 28.2 | Dividers and decoration only |
| #647240 text on white | 5.22:1 | AA | Lc 75.9 | Fine for body text |
| #647240 text on black | 4.02:1 | AA large text | Lc -25.9 | 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 600.
-
Step 50
50
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D7DBCE
oklch(88.5% 0.018 120.7)
-
Step 300
300
#BDC4AD
oklch(80.9% 0.032 120.9)
-
Step 400
400
#9BA681
oklch(70.6% 0.053 121.2)
-
Step 500
500
#829061
oklch(63% 0.069 121.9)
-
Step 600
600 (this color)
#647240
oklch(52.8% 0.074 121.8)
-
Step 700
700
#5A6739
oklch(49.1% 0.07 121.9)
-
Step 800
800
#4A5430
oklch(42.7% 0.057 121.5)
-
Step 900
900
#3E452A
oklch(37.6% 0.044 120.4)
-
Step 950
950
#242919
oklch(27.1% 0.029 122.4)
#647240 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) | #776D3C | 0.030 |
| Deuteranopia (no green cones) | #766C43 | 0.033 |
| Tritanopia (no blue cones) | #686D66 | 0.062 |
| Achromatopsia (no color) | #6C6C6C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647240
#647240
oklch(52.8% 0.074 121.8)
- #73618F
#73618F
oklch(52.8% 0.074 301.9)
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 #647240, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.019
- Dark Moss Green #606C38 ΔE 0.020
- Military Green #667C3E ΔE 0.031
- Dark Olive Green #556B2F ΔE 0.036
- Brown Green #706C11 ΔE 0.039
- Browny Green #6F6C0A ΔE 0.042
- Grey Brown #7F7053 ΔE 0.053
- Murky Green #6C7A0E ΔE 0.053
Use #647240 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.