#647B2F
Closest named color: Military Green (#667C3E). oklch(54.8% 0.106 124), rgb(100, 123, 47).
Aa
White text reads best on this color (4.75:1).
About this color
#647B2F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.106 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.016 away. White text reads best on it, at 4.75:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.106) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #647B2F |
| RGB | rgb(100, 123, 47) |
| HSL | hsl(78, 45%, 33%) |
| OKLCH | oklch(54.8% 0.106 124) |
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 #647B2F | 4.75:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #647B2F | 4.41:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #647B2F text on white | 4.75:1 | AA | Lc 72.9 | Content text, not long reading |
| #647B2F text on black | 4.41:1 | AA large text | Lc -28.8 | 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
#E8ECE2
oklch(93.7% 0.014 124.6)
-
Step 200
200
#D5DCCA
oklch(88.4% 0.025 124.3)
-
Step 300
300
#BAC6A5
oklch(80.8% 0.047 123.7)
-
Step 400
400
#96A974
oklch(70.7% 0.076 124.3)
-
Step 500
500
#7D934F
oklch(63% 0.097 123.8)
-
Step 600
600 (this color)
#647B2F
oklch(54.8% 0.106 124)
-
Step 700
700
#556A24
oklch(49.2% 0.099 124.2)
-
Step 800
800
#465620
oklch(42.7% 0.08 123.6)
-
Step 900
900
#3A471F
oklch(37.6% 0.064 124.3)
-
Step 950
950
#222A13
oklch(27% 0.041 124.8)
#647B2F 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) | #827427 | 0.046 |
| Deuteranopia (no green cones) | #7F7334 | 0.047 |
| Tritanopia (no blue cones) | #68756B | 0.087 |
| Achromatopsia (no color) | #737373 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647B2F
#647B2F
oklch(54.8% 0.106 124)
- #7E60A3
#7E60A3
oklch(54.7% 0.106 303.7)
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 #647B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.016
- Murky Green #6C7A0E ΔE 0.021
- Muddy Green #657432 ΔE 0.022
- Olive Green #677A04 ΔE 0.024
- Swamp #698339 ΔE 0.025
- Khaki Green #728639 ΔE 0.039
- Brown Green #706C11 ΔE 0.043
- Browny Green #6F6C0A ΔE 0.043
Use #647B2F 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.