#647E2F
Closest named color: Swamp (#698339). oklch(55.5% 0.11 125.2), rgb(100, 126, 47).
Aa
White text reads best on this color (4.59:1).
About this color
#647E2F is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.110 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.018 away. White text reads best on it, at 4.59:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.56:1 |
| White text | 4.59:1 |
Values
| HEX | #647E2F |
| RGB | rgb(100, 126, 47) |
| HSL | hsl(80, 46%, 34%) |
| OKLCH | oklch(55.5% 0.11 125.2) |
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 #647E2F | 4.59:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #647E2F | 4.56:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #647E2F text on white | 4.59:1 | AA | Lc 71.8 | Content text, not long reading |
| #647E2F text on black | 4.56:1 | AA | Lc -29.8 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D5DDC9
oklch(88.6% 0.028 124.8)
-
Step 300
300
#B9C7A4
oklch(81% 0.05 125.3)
-
Step 400
400
#95AA73
oklch(70.8% 0.08 125.4)
-
Step 500
500
#7B944D
oklch(63% 0.101 125.1)
-
Step 600
600 (this color)
#647E2F
oklch(55.5% 0.11 125.2)
-
Step 700
700
#536A22
oklch(49% 0.102 125.2)
-
Step 800
800
#44571E
oklch(42.7% 0.085 125.4)
-
Step 900
900
#39481E
oklch(37.8% 0.067 125.7)
-
Step 950
950
#222A12
oklch(27% 0.042 124.3)
#647E2F 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) | #857626 | 0.051 |
| Deuteranopia (no green cones) | #817535 | 0.051 |
| Tritanopia (no blue cones) | #68786D | 0.089 |
| Achromatopsia (no color) | #757575 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647E2F
#647E2F
oklch(55.5% 0.11 125.2)
- #8261A6
#8261A6
oklch(55.4% 0.11 305.1)
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 #647E2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.018
- Military Green #667C3E ΔE 0.019
- Murky Green #6C7A0E ΔE 0.021
- Olive Green #677A04 ΔE 0.023
- Muddy Green #657432 ΔE 0.031
- Khaki Green #728639 ΔE 0.033
- Moss Green #658B38 ΔE 0.037
- Swamp Green #748500 ΔE 0.040
Use #647E2F 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.