#647E33
Closest named color: Military Green (#667C3E). oklch(55.6% 0.106 125.7), rgb(100, 126, 51).
Aa
White text reads best on this color (4.59:1).
About this color
#647E33 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.106 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.015 away. White text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #647E33 |
| RGB | rgb(100, 126, 51) |
| HSL | hsl(81, 42%, 35%) |
| OKLCH | oklch(55.6% 0.106 125.7) |
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 #647E33 | 4.59:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #647E33 | 4.57:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #647E33 text on white | 4.59:1 | AA | Lc 71.8 | Content text, not long reading |
| #647E33 text on black | 4.57:1 | AA | Lc -29.9 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D5DDCA
oklch(88.6% 0.027 125.6)
-
Step 300
300
#B9C7A5
oklch(81% 0.049 125.7)
-
Step 400
400
#95AA75
oklch(70.8% 0.077 125.9)
-
Step 500
500
#7B9450
oklch(63.1% 0.098 125.6)
-
Step 600
600 (this color)
#647E33
oklch(55.6% 0.106 125.7)
-
Step 700
700
#536A25
oklch(49% 0.099 125.5)
-
Step 800
800
#445721
oklch(42.8% 0.082 125.9)
-
Step 900
900
#394820
oklch(37.8% 0.065 126.3)
-
Step 950
950
#222A13
oklch(27% 0.041 124.8)
#647E33 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) | #84762B | 0.049 |
| Deuteranopia (no green cones) | #817538 | 0.050 |
| Tritanopia (no blue cones) | #68786E | 0.087 |
| Achromatopsia (no color) | #757575 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647E33
#647E33
oklch(55.6% 0.106 125.7)
- #8262A5
#8262A5
oklch(55.6% 0.107 305.2)
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 #647E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.015
- Swamp #698339 ΔE 0.017
- Murky Green #6C7A0E ΔE 0.024
- Olive Green #677A04 ΔE 0.027
- Muddy Green #657432 ΔE 0.030
- Khaki Green #728639 ΔE 0.032
- Moss Green #658B38 ΔE 0.038
- Dark Sage #598556 ΔE 0.039
Use #647E33 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.