#647D33
Closest named color: Military Green (#667C3E). oklch(55.3% 0.105 125.3), rgb(100, 125, 51).
Aa
White text reads best on this color (4.64:1).
About this color
#647D33 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.105 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.014 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #647D33 |
| RGB | rgb(100, 125, 51) |
| HSL | hsl(80, 42%, 35%) |
| OKLCH | oklch(55.3% 0.105 125.3) |
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 #647D33 | 4.64:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #647D33 | 4.52:1 | AA | Lc 31.9 | Non-text elements, placeholder text |
| #647D33 text on white | 4.64:1 | AA | Lc 72.2 | Content text, not long reading |
| #647D33 text on black | 4.52:1 | AA | Lc -29.5 | 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 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
#D5DCCA
oklch(88.4% 0.025 124.3)
-
Step 300
300
#B9C6A6
oklch(80.8% 0.046 125.4)
-
Step 400
400
#95A975
oklch(70.6% 0.076 125.4)
-
Step 500
500
#7C9451
oklch(63.2% 0.096 125.2)
-
Step 600
600 (this color)
#647D33
oklch(55.3% 0.105 125.3)
-
Step 700
700
#546A26
oklch(49.1% 0.098 125)
-
Step 800
800
#445721
oklch(42.8% 0.082 125.9)
-
Step 900
900
#3A4720
oklch(37.6% 0.063 124.5)
-
Step 950
950
#222A14
oklch(27.1% 0.039 125.3)
#647D33 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) | #83752B | 0.048 |
| Deuteranopia (no green cones) | #807438 | 0.049 |
| Tritanopia (no blue cones) | #68776D | 0.086 |
| Achromatopsia (no color) | #747474 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647D33
#647D33
oklch(55.3% 0.105 125.3)
- #8162A3
#8162A3
oklch(55.4% 0.104 305.2)
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 #647D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.014
- Swamp #698339 ΔE 0.019
- Murky Green #6C7A0E ΔE 0.024
- Muddy Green #657432 ΔE 0.027
- Olive Green #677A04 ΔE 0.027
- Khaki Green #728639 ΔE 0.034
- Dark Sage #598556 ΔE 0.039
- Moss Green #658B38 ΔE 0.041
Use #647D33 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.