#647544
Closest named color: Muddy Green (#657432). oklch(53.6% 0.074 124.5), rgb(100, 117, 68).
Aa
White text reads best on this color (5.03:1).
About this color
#647544 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 54%, its chroma 0.074 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.020 away. White text reads best on it, at 5.03:1.
| Hue family | Yellows |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.16:1 |
| White text | 5.03:1 |
Values
| HEX | #647544 |
| RGB | rgb(100, 117, 68) |
| HSL | hsl(81, 26%, 36%) |
| OKLCH | oklch(53.6% 0.074 124.5) |
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 #647544 | 5.03:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #647544 | 4.16:1 | AA large text | Lc 29.3 | Dividers and decoration only |
| #647544 text on white | 5.03:1 | AA | Lc 74.8 | Content text, not long reading |
| #647544 text on black | 4.16:1 | AA large text | Lc -26.9 | 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
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D6DBCE
oklch(88.4% 0.018 124)
-
Step 300
300
#BCC5AD
oklch(81% 0.034 123.9)
-
Step 400
400
#99A782
oklch(70.7% 0.054 124.6)
-
Step 500
500
#809163
oklch(63.1% 0.068 124.8)
-
Step 600
600 (this color)
#647544
oklch(53.6% 0.074 124.5)
-
Step 700
700
#58683B
oklch(49.2% 0.07 124.9)
-
Step 800
800
#485431
oklch(42.6% 0.056 124.2)
-
Step 900
900
#3C462B
oklch(37.7% 0.045 125)
-
Step 950
950
#23291A
oklch(27% 0.028 125.9)
#647544 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) | #7A6F40 | 0.035 |
| Deuteranopia (no green cones) | #786F47 | 0.035 |
| Tritanopia (no blue cones) | #677169 | 0.059 |
| Achromatopsia (no color) | #6F6F6F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647544
#647544
oklch(53.6% 0.074 124.5)
- #776390
#776390
oklch(53.6% 0.073 304.4)
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 #647544, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.020
- Military Green #667C3E ΔE 0.025
- Dark Moss Green #606C38 ΔE 0.028
- Dark Olive Green #556B2F ΔE 0.043
- Brown Green #706C11 ΔE 0.044
- Dark Sage #598556 ΔE 0.046
- Browny Green #6F6C0A ΔE 0.047
- Swamp #698339 ΔE 0.048
Use #647544 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.