#647137
Closest named color: Muddy Green (#657432). oklch(52.4% 0.083 119.8), rgb(100, 113, 55).
Aa
White text reads best on this color (5.30:1).
About this color
#647137 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 52%, its chroma 0.083 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 0.012 away. White text reads best on it, at 5.30:1.
| Hue family | Yellows |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.083) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 3.95:1 |
| White text | 5.30:1 |
Values
| HEX | #647137 |
| RGB | rgb(100, 113, 55) |
| HSL | hsl(73, 35%, 33%) |
| OKLCH | oklch(52.4% 0.083 119.8) |
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 #647137 | 5.30:1 | AA | Lc -81.7 | Fine for body text |
| Black text on #647137 | 3.95:1 | AA large text | Lc 27.7 | Dividers and decoration only |
| #647137 text on white | 5.30:1 | AA | Lc 76.3 | Fine for body text |
| #647137 text on black | 3.95:1 | AA large text | Lc -25.4 | 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
#9CA77C
oklch(70.8% 0.061 119.6)
-
Step 500
500
#83915B
oklch(63.2% 0.077 120.5)
-
Step 600
600 (this color)
#647137
oklch(52.4% 0.083 119.8)
-
Step 700
700
#5B6732
oklch(49.1% 0.077 119.9)
-
Step 800
800
#4B542A
oklch(42.7% 0.064 119.1)
-
Step 900
900
#3E4626
oklch(37.8% 0.051 120.4)
-
Step 950
950
#242917
oklch(27% 0.032 121.2)
#647137 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) | #776B32 | 0.032 |
| Deuteranopia (no green cones) | #766C3A | 0.032 |
| Tritanopia (no blue cones) | #696C64 | 0.071 |
| Achromatopsia (no color) | #6B6B6B | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #647137
#647137
oklch(52.4% 0.083 119.8)
- #715F93
#715F93
oklch(52.4% 0.083 299.5)
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 #647137, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.012
- Dark Moss Green #606C38 ΔE 0.017
- Dark Olive Green #556B2F ΔE 0.031
- Brown Green #706C11 ΔE 0.031
- Military Green #667C3E ΔE 0.032
- Browny Green #6F6C0A ΔE 0.032
- Mud Green #606602 ΔE 0.045
- Murky Green #6C7A0E ΔE 0.047
Use #647137 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.