#647237
Closest named color: Muddy Green (#657432). oklch(52.6% 0.085 120.4), rgb(100, 114, 55).
Aa
White text reads best on this color (5.24:1).
About this color
#647237 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.085 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.009 away. White text reads best on it, at 5.24:1.
| Hue family | Yellows |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.085) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.00:1 |
| White text | 5.24:1 |
Values
| HEX | #647237 |
| RGB | rgb(100, 114, 55) |
| HSL | hsl(74, 35%, 33%) |
| OKLCH | oklch(52.6% 0.085 120.4) |
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 #647237 | 5.24:1 | AA | Lc -81.4 | Fine for body text |
| Black text on #647237 | 4.00:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #647237 text on white | 5.24:1 | AA | Lc 76.0 | Fine for body text |
| #647237 text on black | 4.00:1 | AA large text | Lc -25.7 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E9EBE3
oklch(93.6% 0.011 118)
-
Step 200
200
#D7DBCC
oklch(88.4% 0.021 119)
-
Step 300
300
#BDC5AA
oklch(81% 0.038 120.7)
-
Step 400
400
#9BA77C
oklch(70.8% 0.061 120.6)
-
Step 500
500
#83915A
oklch(63.2% 0.079 120.3)
-
Step 600
600 (this color)
#647237
oklch(52.6% 0.085 120.4)
-
Step 700
700
#5B6731
oklch(49% 0.079 119.7)
-
Step 800
800
#4A542A
oklch(42.6% 0.064 120.2)
-
Step 900
900
#3E4626
oklch(37.8% 0.051 120.4)
-
Step 950
950
#242917
oklch(27% 0.032 121.2)
#647237 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) | #786C32 | 0.033 |
| Deuteranopia (no green cones) | #776C3A | 0.034 |
| Tritanopia (no blue cones) | #696D64 | 0.070 |
| Achromatopsia (no color) | #6C6C6C | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647237
#647237
oklch(52.6% 0.085 120.4)
- #735F94
#735F94
oklch(52.7% 0.084 300.9)
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 #647237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.009
- Dark Moss Green #606C38 ΔE 0.020
- Military Green #667C3E ΔE 0.029
- Brown Green #706C11 ΔE 0.031
- Dark Olive Green #556B2F ΔE 0.032
- Browny Green #6F6C0A ΔE 0.033
- Murky Green #6C7A0E ΔE 0.045
- Mud Green #606602 ΔE 0.046
Use #647237 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.